Add Drizzle ORM setup and database configuration

- Add drizzle.config.ts for database migrations
- Create server/database/ structure with schema
- Add drizzle-orm and postgres dependencies
- Add db:* npm scripts for database management

package.json

@@ -10,12 +10,18 @@
     "postinstall": "nuxt prepare",
     "lint": "eslint .",
     "format": "prettier --write .",
-    "typecheck": "nuxt typecheck"
+    "typecheck": "nuxt typecheck",
+    "db:generate": "drizzle-kit generate",
+    "db:migrate": "drizzle-kit migrate",
+    "db:studio": "drizzle-kit studio",
+    "db:push": "drizzle-kit push"
   },
   "dependencies": {
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "drizzle-orm": "^0.44.7",
     "nuxt": "^4.2.0",
+    "postgres": "^3.4.7",
     "reka-ui": "^2.6.0",
     "tailwind-merge": "^3.3.1",
     "vue": "^3.5.22",
@@ -25,6 +31,7 @@
     "@nuxt/eslint": "^1.10.0",
     "@nuxtjs/tailwindcss": "^6.14.0",
     "@types/node": "^22.10.0",
+    "drizzle-kit": "^0.31.6",
     "eslint": "^9.38.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-prettier": "^5.5.4",