feat: Tauri desktop app scaffold

- src-tauri/ with Rust backend, Cargo.toml, main.rs, lib.rs
- tauri.conf.json: Linux deb bundle with webkit2gtk deps
- package.json: added tauri script
- Build on a machine with Rust: cd web && npm run tauri build

web/package.json

@@ -7,7 +7,8 @@
     "dev": "vite",
     "build": "tsc -b && vite build",
     "lint": "oxlint",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "tauri": "tauri"
   },
   "dependencies": {
     "@fortawesome/fontawesome-svg-core": "^7.3.0",
@@ -15,6 +16,8 @@
     "@fortawesome/react-fontawesome": "^3.3.1",
     "@livekit/components-react": "^2.9.21",
     "@livekit/track-processors": "^0.7.2",
+    "@tauri-apps/api": "^2.11.1",
+    "@tauri-apps/cli": "^2.11.4",
     "emoji-picker-react": "^4.19.1",
     "livekit-client": "^2.20.0",
     "react": "^18.3.1",