Multiuser support (#60)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "habittrove",
-  "version": "0.1.30",
+  "version": "0.2.0",
   "private": true,
   "scripts": {
     "dev": "next dev --turbopack",
@@ -44,6 +44,7 @@
     "lucide-react": "^0.469.0",
     "luxon": "^3.5.0",
     "next": "15.1.3",
+    "next-auth": "^5.0.0-beta.25",
     "next-themes": "^0.4.4",
     "react": "^19.0.0",
     "react-confetti": "^6.2.2",
@@ -54,12 +55,15 @@
     "rrule": "^2.8.1",
     "tailwind-merge": "^2.6.0",
     "tailwindcss-animate": "^1.0.7",
-    "web-push": "^3.6.7"
+    "uuid": "^11.0.5",
+    "web-push": "^3.6.7",
+    "zod": "^3.24.1"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3",
     "@tailwindcss/typography": "^0.5.15",
     "@types/bun": "^1.1.14",
+    "@types/lodash": "^4.17.15",
     "@types/luxon": "^3.4.2",
     "@types/node": "^20.17.10",
     "@types/react": "^19",