Add drag-and-drop upload component with chunked uploads and offline support

frontend/package.json

@@ -6,18 +6,33 @@
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "test": "vitest",
+    "test:run": "vitest run",
+    "test:coverage": "vitest run --coverage"
   },
   "dependencies": {
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-router-dom": "^6.21.3"
+    "react-router-dom": "6.28.0"
   },
   "devDependencies": {
+    "@testing-library/jest-dom": "^6.4.2",
+    "@testing-library/react": "^14.2.1",
+    "@testing-library/user-event": "^14.5.2",
     "@types/react": "^18.2.48",
     "@types/react-dom": "^18.2.18",
     "@vitejs/plugin-react": "^4.2.1",
+    "jsdom": "^24.0.0",
     "typescript": "^5.3.3",
-    "vite": "^5.0.12"
+    "vite": "^5.0.12",
+    "vitest": "^1.3.1"
+  },
+  "overrides": {
+    "ws": "8.18.0",
+    "ufo": "1.5.4",
+    "rollup": "4.52.4",
+    "caniuse-lite": "1.0.30001692",
+    "baseline-browser-mapping": "2.9.5"
   }
 }