feat: Mellow theme (#1472)

Signed-off-by: Jackson Yu <[email protected]>
Co-authored-by: Pedro Lamas <[email protected]>

Author: exiom-xyz

public/config.json

@@ -73,6 +73,14 @@
         "src": "logo_ldo.svg"
       }
     },
+    {
+      "name": "Mellow",
+      "color": "#003DFF",
+      "isDark": true,
+      "logo": {
+        "src": "logo_mellow.svg"
+      }
+    },
     {
       "name": "Peopoly",
       "color": "#007CC2",

public/logo_mellow.svg

@@ -73,6 +73,14 @@
         "src": "logo_ldo.svg"
       }
     },
+    {
+      "name": "Mellow",
+      "color": "#003DFF",
+      "isDark": true,
+      "logo": {
+        "src": "logo_mellow.svg"
+      }
+    },
     {
       "name": "Peopoly",
       "color": "#007CC2",