feat:Setup Prettier for code formatting

package.json

@@ -14,7 +14,8 @@
     "test:run": "vitest run",
     "test:coverage": "vitest run --coverage",
     "test:watch": "vitest watch",
-    "build:docker": "vite build"
+    "build:docker": "vite build",
+    "format": "prettier --write ."
   },
   "devDependencies": {
     "@testing-library/dom": "^10.4.1",
@@ -26,6 +27,7 @@
     "@vitest/coverage-v8": "^3.2.4",
     "@vitest/ui": "^3.2.4",
     "jsdom": "^27.0.0",
+    "prettier": "^3.6.2",
     "ts-migrate": "^0.1.35",
     "typescript": "~5.9.3",
     "vite": "^7.1.7",