project: add prettier

package.json

@@ -7,7 +7,10 @@
     "start": "node .output/server/index.mjs",
     "build": "vite build",
     "serve": "vite preview",
-    "test": "vitest run"
+    "test": "vitest run",
+    "lint": "eslint",
+    "format": "prettier",
+    "check": "prettier --write . && eslint --fix"
   },
   "dependencies": {
     "@tailwindcss/vite": "^4.0.6",
@@ -30,8 +33,9 @@
     "@types/react-dom": "^19.0.3",
     "@vitejs/plugin-react": "^4.3.4",
     "jsdom": "^26.0.0",
+    "prettier": "^3.6.2",
     "typescript": "^5.7.2",
-    "vite": "^6.3.5",
+    "vite": "^7.1.7",
     "vitest": "^3.0.5",
     "web-vitals": "^4.2.4"
   }