Migrate to yarn

app/package.json

@@ -1,4 +1,6 @@
 {
+  "name": "frontend",
+  "version": "1.0.0",
   "private": true,
   "scripts": {
     "dev": "next dev",
@@ -11,6 +13,7 @@
     "@mui/icons-material": "^5.5.0",
     "@mui/material": "^5.5.0",
     "@mui/x-data-grid": "^5.6.1",
+    "mongoose": "^6.4.3",
     "next": "latest",
     "next-compose-plugins": "^2.2.1",
     "next-i18next": "^11.0.0",
@@ -20,7 +23,7 @@
     "react-yandex-metrika": "^2.6.0",
     "reset-css": "^5.0.1",
     "sass": "^1.49.9",
-    "shared-stuff": "file:../shared-stuff",
+    "shared-stuff": "1.0.0",
     "sharp": "^0.30.3"
   },
   "devDependencies": {