feat: initialize frontend with Vite and PWA support

- Add index.html as the main entry point for the application.
- Create package.json to manage dependencies and scripts for development.
- Include favicon.svg for the application icon.
- Configure PWA assets generation with pwa-assets.config.js.
- Implement counter functionality in counter.js with notification on reaching 5.
- Add JavaScript logo SVG for branding.
- Set up main.js to render the application and handle user interactions.
- Create notification.js to manage browser notifications.
- Implement PWA registration and update handling in pwa.js.
- Style the application with a new style.css file.
- Configure Vite with PWA plugin in vite.config.js for service worker and manifest settings.

backend/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "backend",
+  "module": "index.ts",
+  "type": "module",
+  "private": true,
+  "devDependencies": {
+    "@types/bcrypt": "^5.0.2",
+    "@types/bun": "latest",
+    "@types/jsonwebtoken": "^9.0.9",
+    "@types/koa": "^2.15.0",
+    "@types/koa-bodyparser": "^4.3.12",
+    "@types/koa-router": "^7.4.8"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  },
+  "dependencies": {
+    "bcrypt": "^6.0.0",
+    "jsonwebtoken": "^9.0.2",
+    "koa": "^3.0.0",
+    "koa-bodyparser": "^4.4.1",
+    "koa-jwt": "^4.0.4",
+    "koa-router": "^13.0.1",
+    "mongodb": "^6.16.0"
+  }
+}