Add database and Prisma configurations, enhance event and leaderboard components with API integration, and update navigation for session management

package.json

@@ -6,20 +6,33 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "db:seed": "tsx prisma/seed.ts"
+  },
+  "prisma": {
+    "seed": "tsx prisma/seed.ts"
   },
   "dependencies": {
+    "@prisma/adapter-better-sqlite3": "^7.1.0",
+    "@prisma/client": "^7.1.0",
+    "bcryptjs": "^3.0.3",
+    "better-sqlite3": "^12.5.0",
     "next": "15.5.7",
+    "next-auth": "5.0.0-beta.30",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },
   "devDependencies": {
+    "@types/bcryptjs": "^3.0.0",
+    "@types/better-sqlite3": "^7.6.13",
     "@types/node": "^22.0.0",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "autoprefixer": "^10.4.19",
     "postcss": "^8.4.40",
+    "prisma": "^7.1.0",
     "tailwindcss": "^3.4.7",
+    "tsx": "^4.21.0",
     "typescript": "^5.6.0"
   }
 }