Отрефакторил бэк, исправил ошибки (#138)

* fixed paths to match refactored backend

* fixed some paths according to new backend

* fixed auth urls for new endpoints

* fixed urls

* fixed error handling

* fixes

* fixed error handling on user form

* fixed error handling on oauth

* using fallback: true on node pages

* type button for comment attach buttons

* fixed return types of social delete

* changed the way we upload user avatars

package.json

@@ -24,7 +24,7 @@
     "mobx": "^6.3.10",
     "mobx-persist-store": "^1.0.4",
     "mobx-react-lite": "^3.2.3",
-    "next": "^12.1.0",
+    "next": "^12.3.0",
     "photoswipe": "^4.1.3",
     "raleway-cyrillic": "^4.0.2",
     "ramda": "^0.26.1",
@@ -76,8 +76,8 @@
     ]
   },
   "devDependencies": {
-    "@next/bundle-analyzer": "^12.0.8",
-    "@next/eslint-plugin-next": "^12.0.8",
+    "@next/bundle-analyzer": "^12.3.0",
+    "@next/eslint-plugin-next": "^12.3.0",
     "@types/marked": "^4.0.1",
     "@types/node": "^11.13.22",
     "@types/ramda": "^0.26.33",