feat: add Prisma schema (MySQL) and Docker Compose for db/redis

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

package.json

@@ -11,6 +11,8 @@
   "dependencies": {
     "@base-ui/react": "^1.9.0",
     "@hookform/resolvers": "^6.0.2",
+    "@prisma/adapter-mariadb": "^7.10.1",
+    "@prisma/client": "^7.10.1",
     "class-variance-authority": "^0.7.1",
     "cn": "^0.5.0",
     "lucide-react": "^1.64.0",
@@ -32,6 +34,7 @@
     "eslint": "^9",
     "eslint-config-next": "16.4.3",
     "prettier": "^3.9.10",
+    "prisma": "7.10.1",
     "tailwindcss": "^4",
     "typescript": "^5"
   }