feat: Transform to Tauri desktop app

- Initialize Tauri v2 project with Rust backend
- Restructure project: move source files to src/ directory
- Add Tauri configuration for Windows, macOS, and Linux builds
- Update Vite config for Tauri development workflow
- Add file system and dialog permissions for native features
- Update package.json with desktop build scripts
- Update tsconfig.json paths for new src structure
- Add Tauri and desktop badges to README
- Document desktop build process and architecture

vite.config.ts

@@ -1,20 +1,41 @@
 import path from 'path';
-import { defineConfig, loadEnv } from 'vite';
+import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
 
-export default defineConfig(({ mode }) => {
-    const env = loadEnv(mode, '.', '');
-    return {
-      server: {
-        port: 3000,
-        host: '0.0.0.0',
-      },
-      plugins: [react()],
-      define: {},
-      resolve: {
-        alias: {
-          '@': path.resolve(__dirname, '.'),
-        }
-      }
-    };
+export default defineConfig({
+  plugins: [react()],
+  
+  // Vite options tailored for Tauri development
+  clearScreen: false,
+  
+  server: {
+    port: 3000,
+    strictPort: true,
+    host: '0.0.0.0',
+    // Tauri requires a consistent port for the dev server
+    watch: {
+      ignored: ['**/src-tauri/**'],
+    },
+  },
+  
+  // to make use of `TAURI_DEBUG` and other env variables
+  envPrefix: ['VITE_', 'TAURI_'],
+  
+  build: {
+    // Tauri supports es2021
+    target: process.env.TAURI_PLATFORM == 'windows' ? 'chrome105' : 'safari13',
+    // don't minify for debug builds
+    minify: !process.env.TAURI_DEBUG ? 'esbuild' : false,
+    // produce sourcemaps for debug builds
+    sourcemap: !!process.env.TAURI_DEBUG,
+    // Output to dist folder for Tauri
+    outDir: 'dist',
+    emptyOutDir: true,
+  },
+  
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './src'),
+    },
+  },
 });