Linting and code cleanup for an imitation of order

frontend/package.json

@@ -8,7 +8,11 @@
     "build": "tsc && vite build",
     "preview": "vite preview",
     "test": "vitest",
-    "test:run": "vitest run"
+    "test:run": "vitest run",
+    "lint": "eslint src/",
+    "lint:fix": "eslint src/ --fix",
+    "format": "prettier --write src/",
+    "format:check": "prettier --check src/"
   },
   "dependencies": {
     "@radix-ui/react-checkbox": "^1.3.3",
@@ -31,6 +35,7 @@
     "tailwindcss-animate": "^1.0.7"
   },
   "devDependencies": {
+    "@eslint/js": "^9.17.0",
     "@testing-library/jest-dom": "^6.6.0",
     "@testing-library/react": "^16.0.0",
     "@types/leaflet": "^1.9.21",
@@ -39,10 +44,14 @@
     "@types/react-dom": "^18.3.1",
     "@vitejs/plugin-react": "^4.3.3",
     "autoprefixer": "^10.4.23",
+    "eslint": "^9.17.0",
+    "eslint-plugin-react-hooks": "^5.1.0",
     "jsdom": "^25.0.0",
     "postcss": "^8.5.6",
+    "prettier": "^3.4.2",
     "tailwindcss": "^3.4.19",
     "typescript": "^5.6.3",
+    "typescript-eslint": "^8.19.0",
     "vite": "^6.0.3",
     "vitest": "^2.1.0"
   }