diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
index 2e754d5..e6c0af2 100644
--- a/backend/Pipfile.lock
+++ b/backend/Pipfile.lock
@@ -18,31 +18,31 @@
     "default": {
         "asgiref": {
             "hashes": [
-                "sha256:7e06d934a7718bf3975acbf87780ba678957b87c7adc056f13b6215d610695a0",
-                "sha256:ea448f92fc35a0ef4b1508f53a04c4670255a3f33d22a81c8fc9c872036adbe5"
+                "sha256:92906c611ce6c967347bbfea733f13d6313901d54dcca88195eaeb52b2a8e8ee",
+                "sha256:d1216dfbdfb63826470995d31caed36225dcaf34f182e0fa257a4dd9e86f1b78"
             ],
-            "version": "==3.2.3"
+            "version": "==3.3.4"
         },
         "certifi": {
             "hashes": [
-                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
-                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
+                "sha256:2bbf76fd432960138b3ef6dda3dde0544f27cbf8546c458e60baf371917ba9ee",
+                "sha256:50b1e4f8446b06f41be7dd6338db18e0990601dce795c2b1686458aa7e8fa7d8"
             ],
-            "version": "==2019.11.28"
+            "version": "==2021.5.30"
         },
         "chardet": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
+                "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
             ],
-            "version": "==3.0.4"
+            "version": "==4.0.0"
         },
         "defusedxml": {
             "hashes": [
-                "sha256:6687150770438374ab581bb7a1b327a847dd9c5749e396102de3fad4e8a3ef93",
-                "sha256:f684034d135af4c6cbb949b8a4d2ed61634515257a67299e5f940fbaa34377f5"
+                "sha256:1bb3032db185915b62d7c6209c5a8792be6a32ab2fedacc84e01b52c51aa3e69",
+                "sha256:a352e7e428770286cc899e2542b6cdaedb2b4953ff269a210103ec58f6198a61"
             ],
-            "version": "==0.6.0"
+            "version": "==0.7.1"
         },
         "django": {
             "hashes": [
@@ -68,73 +68,85 @@
         },
         "djangorestframework": {
             "hashes": [
-                "sha256:05809fc66e1c997fd9a32ea5730d9f4ba28b109b9da71fccfa5ff241201fd0a4",
-                "sha256:e782087823c47a26826ee5b6fa0c542968219263fb3976ec3c31edab23a4001f"
+                "sha256:6d1d59f623a5ad0509fe0d6bfe93cbdfe17b8116ebc8eda86d45f6e16e819aaf",
+                "sha256:f747949a8ddac876e879190df194b925c177cdeb725a099db1460872f7c0a7f2"
             ],
-            "version": "==3.11.0"
+            "version": "==3.12.4"
         },
         "idna": {
             "hashes": [
-                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
-                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "version": "==2.8"
+            "version": "==2.10"
         },
         "oauthlib": {
             "hashes": [
-                "sha256:bee41cc35fcca6e988463cacc3bcb8a96224f470ca547e697b604cc697b2f889",
-                "sha256:df884cd6cbe20e32633f1db1072e9356f53638e4361bef4e8b03c9127c9328ea"
+                "sha256:42bf6354c2ed8c6acb54d971fce6f88193d97297e18602a3a886603f9d7730cc",
+                "sha256:8f0215fcc533dd8dd1bee6f4c412d4f0cd7297307d43ac61666389e3bc3198a3"
             ],
-            "version": "==3.1.0"
+            "version": "==3.1.1"
         },
         "pillow": {
             "hashes": [
-                "sha256:0a628977ac2e01ca96aaae247ec2bd38e729631ddf2221b4b715446fd45505be",
-                "sha256:4d9ed9a64095e031435af120d3c910148067087541131e82b3e8db302f4c8946",
-                "sha256:54ebae163e8412aff0b9df1e88adab65788f5f5b58e625dc5c7f51eaf14a6837",
-                "sha256:5bfef0b1cdde9f33881c913af14e43db69815c7e8df429ceda4c70a5e529210f",
-                "sha256:5f3546ceb08089cedb9e8ff7e3f6a7042bb5b37c2a95d392fb027c3e53a2da00",
-                "sha256:5f7ae9126d16194f114435ebb79cc536b5682002a4fa57fa7bb2cbcde65f2f4d",
-                "sha256:62a889aeb0a79e50ecf5af272e9e3c164148f4bd9636cc6bcfa182a52c8b0533",
-                "sha256:7406f5a9b2fd966e79e6abdaf700585a4522e98d6559ce37fc52e5c955fade0a",
-                "sha256:8453f914f4e5a3d828281a6628cf517832abfa13ff50679a4848926dac7c0358",
-                "sha256:87269cc6ce1e3dee11f23fa515e4249ae678dbbe2704598a51cee76c52e19cda",
-                "sha256:875358310ed7abd5320f21dd97351d62de4929b0426cdb1eaa904b64ac36b435",
-                "sha256:8ac6ce7ff3892e5deaab7abaec763538ffd011f74dc1801d93d3c5fc541feee2",
-                "sha256:91b710e3353aea6fc758cdb7136d9bbdcb26b53cefe43e2cba953ac3ee1d3313",
-                "sha256:9d2ba4ed13af381233e2d810ff3bab84ef9f18430a9b336ab69eaf3cd24299ff",
-                "sha256:a62ec5e13e227399be73303ff301f2865bf68657d15ea50b038d25fc41097317",
-                "sha256:ab76e5580b0ed647a8d8d2d2daee170e8e9f8aad225ede314f684e297e3643c2",
-                "sha256:bf4003aa538af3f4205c5fac56eacaa67a6dd81e454ffd9e9f055fff9f1bc614",
-                "sha256:bf598d2e37cf8edb1a2f26ed3fb255191f5232badea4003c16301cb94ac5bdd0",
-                "sha256:c18f70dc27cc5d236f10e7834236aff60aadc71346a5bc1f4f83a4b3abee6386",
-                "sha256:c5ed816632204a2fc9486d784d8e0d0ae754347aba99c811458d69fcdfd2a2f9",
-                "sha256:dc058b7833184970d1248135b8b0ab702e6daa833be14035179f2acb78ff5636",
-                "sha256:ff3797f2f16bf9d17d53257612da84dd0758db33935777149b3334c01ff68865"
+                "sha256:01425106e4e8cee195a411f729cff2a7d61813b0b11737c12bd5991f5f14bcd5",
+                "sha256:031a6c88c77d08aab84fecc05c3cde8414cd6f8406f4d2b16fed1e97634cc8a4",
+                "sha256:083781abd261bdabf090ad07bb69f8f5599943ddb539d64497ed021b2a67e5a9",
+                "sha256:0d19d70ee7c2ba97631bae1e7d4725cdb2ecf238178096e8c82ee481e189168a",
+                "sha256:0e04d61f0064b545b989126197930807c86bcbd4534d39168f4aa5fda39bb8f9",
+                "sha256:12e5e7471f9b637762453da74e390e56cc43e486a88289995c1f4c1dc0bfe727",
+                "sha256:22fd0f42ad15dfdde6c581347eaa4adb9a6fc4b865f90b23378aa7914895e120",
+                "sha256:238c197fc275b475e87c1453b05b467d2d02c2915fdfdd4af126145ff2e4610c",
+                "sha256:3b570f84a6161cf8865c4e08adf629441f56e32f180f7aa4ccbd2e0a5a02cba2",
+                "sha256:463822e2f0d81459e113372a168f2ff59723e78528f91f0bd25680ac185cf797",
+                "sha256:4d98abdd6b1e3bf1a1cbb14c3895226816e666749ac040c4e2554231068c639b",
+                "sha256:5afe6b237a0b81bd54b53f835a153770802f164c5570bab5e005aad693dab87f",
+                "sha256:5b70110acb39f3aff6b74cf09bb4169b167e2660dabc304c1e25b6555fa781ef",
+                "sha256:5cbf3e3b1014dddc45496e8cf38b9f099c95a326275885199f427825c6522232",
+                "sha256:624b977355cde8b065f6d51b98497d6cd5fbdd4f36405f7a8790e3376125e2bb",
+                "sha256:63728564c1410d99e6d1ae8e3b810fe012bc440952168af0a2877e8ff5ab96b9",
+                "sha256:66cc56579fd91f517290ab02c51e3a80f581aba45fd924fcdee01fa06e635812",
+                "sha256:6c32cc3145928c4305d142ebec682419a6c0a8ce9e33db900027ddca1ec39178",
+                "sha256:8b56553c0345ad6dcb2e9b433ae47d67f95fc23fe28a0bde15a120f25257e291",
+                "sha256:8bb1e155a74e1bfbacd84555ea62fa21c58e0b4e7e6b20e4447b8d07990ac78b",
+                "sha256:95d5ef984eff897850f3a83883363da64aae1000e79cb3c321915468e8c6add5",
+                "sha256:a013cbe25d20c2e0c4e85a9daf438f85121a4d0344ddc76e33fd7e3965d9af4b",
+                "sha256:a787ab10d7bb5494e5f76536ac460741788f1fbce851068d73a87ca7c35fc3e1",
+                "sha256:a7d5e9fad90eff8f6f6106d3b98b553a88b6f976e51fce287192a5d2d5363713",
+                "sha256:aac00e4bc94d1b7813fe882c28990c1bc2f9d0e1aa765a5f2b516e8a6a16a9e4",
+                "sha256:b91c36492a4bbb1ee855b7d16fe51379e5f96b85692dc8210831fbb24c43e484",
+                "sha256:c03c07ed32c5324939b19e36ae5f75c660c81461e312a41aea30acdd46f93a7c",
+                "sha256:c5236606e8570542ed424849f7852a0ff0bce2c4c8d0ba05cc202a5a9c97dee9",
+                "sha256:c6b39294464b03457f9064e98c124e09008b35a62e3189d3513e5148611c9388",
+                "sha256:cb7a09e173903541fa888ba010c345893cd9fc1b5891aaf060f6ca77b6a3722d",
+                "sha256:d68cb92c408261f806b15923834203f024110a2e2872ecb0bd2a110f89d3c602",
+                "sha256:dc38f57d8f20f06dd7c3161c59ca2c86893632623f33a42d592f097b00f720a9",
+                "sha256:e98eca29a05913e82177b3ba3d198b1728e164869c613d76d0de4bde6768a50e",
+                "sha256:f217c3954ce5fd88303fc0c317af55d5e0204106d86dea17eb8205700d47dec2"
             ],
             "index": "pypi",
-            "version": "==7.0.0"
+            "version": "==8.2.0"
         },
         "python3-openid": {
             "hashes": [
-                "sha256:0086da6b6ef3161cfe50fb1ee5cceaf2cda1700019fda03c2c5c440ca6abe4fa",
-                "sha256:628d365d687e12da12d02c6691170f4451db28d6d68d050007e4a40065868502"
+                "sha256:33fbf6928f401e0b790151ed2b5290b02545e8775f982485205a066f874aaeaf",
+                "sha256:6626f771e0417486701e0b4daff762e7212e820ca5b29fcc0d05f6f8736dfa6b"
             ],
-            "version": "==3.1.0"
+            "version": "==3.2.0"
         },
         "pytz": {
             "hashes": [
-                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
-                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
+                "sha256:83a4a90894bf38e243cf052c8b58f381bfe9a7a483f6a9cab140bc7f702ac4da",
+                "sha256:eb10ce3e7736052ed3623d49975ce333bcd712c7bb19a58b9e2089d4057d0798"
             ],
-            "version": "==2019.3"
+            "version": "==2021.1"
         },
         "requests": {
             "hashes": [
-                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
-                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
+                "sha256:27973dd4a904a4f13b263a19c866c13b92a39ed1c964655f025f3f8d3d75b804",
+                "sha256:c210084e36a42ae6b9219e00e48287def368a26d03a048ddad7bfee44f75871e"
             ],
-            "version": "==2.22.0"
+            "version": "==2.25.1"
         },
         "requests-oauthlib": {
             "hashes": [
@@ -145,24 +157,24 @@
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.14.0"
+            "version": "==1.16.0"
         },
         "sqlparse": {
             "hashes": [
-                "sha256:40afe6b8d4b1117e7dff5504d7a8ce07d9a1b15aeeade8a2d10f130a834f8177",
-                "sha256:7c3dca29c022744e95b547e867cee89f4fce4373f3549ccd8797d8eb52cdb873"
+                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
+                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
             ],
-            "version": "==0.3.0"
+            "version": "==0.4.1"
         },
         "urllib3": {
             "hashes": [
-                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
-                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
+                "sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c",
+                "sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098"
             ],
-            "version": "==1.25.8"
+            "version": "==1.26.5"
         }
     },
     "develop": {
@@ -173,14 +185,6 @@
             ],
             "version": "==2.3.3"
         },
-        "colorama": {
-            "hashes": [
-                "sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff",
-                "sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1"
-            ],
-            "markers": "sys_platform == 'win32'",
-            "version": "==0.4.3"
-        },
         "isort": {
             "hashes": [
                 "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1",
@@ -231,10 +235,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "version": "==1.14.0"
+            "version": "==1.16.0"
         },
         "wrapt": {
             "hashes": [