feat: modernize UI with Astro+Svelte and optimize Docker build

- Migrated frontend to Astro + Svelte 5 for cyberpunk aesthetic
- Switched to Bun for faster frontend builds
- Implemented multi-stage Docker build for smaller image size
- Refactored backend to serve static assets and proxy API requests
- Added recovery mode for manual file management

browser-extension/browser-extension-0.4.2/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "tubearchivist-browser-extension",
+  "private": true,
+  "scripts": {
+    "lint": "eslint 'extension/**/*.js'",
+    "format": "prettier --write 'extension/**/*.js'"
+  },
+  "devDependencies": {
+    "eslint": "^8.26.0",
+    "prettier": "^2.7.1",
+    "eslint-config-prettier": "^8.5.0"
+  },
+  "prettier": {
+    "singleQuote": true,
+    "arrowParens": "avoid",
+    "printWidth": 100
+  }
+}