Initial commit: installable PWA hello world

React + TypeScript + Tailwind v4 + shadcn/ui frontend (client), Express +
better-sqlite3 backend (server) in a pnpm workspace. Includes vite-plugin-pwa
manifest, service worker, and iOS install meta tags. GET /api/hello increments a
visit counter in SQLite; backend serves the built client in production.

client/vite.config.ts

@@ -0,0 +1,62 @@
+import path from 'node:path'
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+import tailwindcss from '@tailwindcss/vite'
+import { VitePWA } from 'vite-plugin-pwa'
+
+// https://vite.dev/config/
+export default defineConfig({
+  plugins: [
+    react(),
+    tailwindcss(),
+    VitePWA({
+      registerType: 'autoUpdate',
+      includeAssets: ['favicon.svg', 'favicon.ico', 'apple-touch-icon-180x180.png'],
+      manifest: {
+        name: 'Pocket Pascal',
+        short_name: 'Pocket Pascal',
+        description: 'A simple Hello World PWA with a React frontend and SQLite backend.',
+        theme_color: '#0a0a0a',
+        background_color: '#0a0a0a',
+        display: 'standalone',
+        start_url: '/',
+        icons: [
+          {
+            src: 'pwa-64x64.png',
+            sizes: '64x64',
+            type: 'image/png',
+          },
+          {
+            src: 'pwa-192x192.png',
+            sizes: '192x192',
+            type: 'image/png',
+          },
+          {
+            src: 'pwa-512x512.png',
+            sizes: '512x512',
+            type: 'image/png',
+          },
+          {
+            src: 'maskable-icon-512x512.png',
+            sizes: '512x512',
+            type: 'image/png',
+            purpose: 'maskable',
+          },
+        ],
+      },
+    }),
+  ],
+  resolve: {
+    alias: {
+      '@': path.resolve(import.meta.dirname, './src'),
+    },
+  },
+  server: {
+    proxy: {
+      '/api': {
+        target: 'http://localhost:3001',
+        changeOrigin: true,
+      },
+    },
+  },
+})