Merged with master

Author: haejinjo

.gitignore

@@ -1,4 +1,6 @@
+node_modules
 /node_modules
+./node_modules
 .DS_Store
 src/extension/build/bundles
 package/reactime-*.tgz

AppStructureDiagram.png renamed to archive/AppStructureDiagram.png

@@ -108,21 +108,27 @@
     "acorn": "^7.3.1",
     "acorn-jsx": "^5.2.0",
     "bower": "^1.8.8",
+    "cookie": "^0.4.1",
     "d3": "^5.16.0",
     "d3-zoom": "^1.8.3",
     "flatted": "^3.0.4",
     "immer": "^3.3.0",
     "jest-runner": "^26.1.0",
     "jsondiffpatch": "^0.3.11",
+    "mixpanel": "^0.11.0",
+    "mixpanel-browser": "^2.39.0",
     "prop-types": "^15.7.2",
     "rc-slider": "^8.7.1",
     "rc-tooltip": "^3.7.3",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
+    "react-google-chart": "^0.1.2",
+    "react-google-charts": "^3.0.15",
     "react-html-parser": "^2.0.2",
     "react-json-tree": "^0.11.2",
     "react-router-dom": "^5.2.0",
     "react-select": "^3.1.0",
-    "recoil": "0.0.10"
+    "recoil": "0.0.10",
+    "sankey": "^2.0.2"
   }
 }