Sửa lỗi tái cấu trúc thư mục và khai báo import

frontend/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "frontend",
+  "private": true,
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "leaflet": "^1.9.4",
+    "lucide-react": "^0.284.0",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "react-leaflet": "^4.2.1",
+    "react-leaflet-cluster": "^2.1.0",
+    "zustand": "^5.0.1"
+  },
+  "devDependencies": {
+    "@tailwindcss/postcss": "^4.3.1",
+    "@types/leaflet": "^1.9.12",
+    "@types/react": "^18.3.12",
+    "@vitejs/plugin-react": "^6.0.2",
+    "autoprefixer": "^10.5.0",
+    "postcss": "^8.5.15",
+    "tailwindcss": "^4.3.1",
+    "typescript": "^5.7.0",
+    "vite": "^8.0.16"
+  }
+}