Scaffold Tauri app with local-first recording UI.

Add React frontend and Rust backend stubs for MP3 import, metadata, SQLite storage, and transcription hooks.

vite.config.ts

@@ -0,0 +1,7 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+
+export default defineConfig({
+  plugins: [react()],
+  clearScreen: false
+});