feat: implement pwa, add dockerfiles for web and cli, and introduce folder selection with wasm error handling.

webapp/vite.config.js

@@ -1,7 +1,44 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
+import { VitePWA } from 'vite-plugin-pwa'
 
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [react()],
+  plugins: [
+    react(),
+    VitePWA({
+      registerType: 'autoUpdate',
+      devOptions: {
+        enabled: true
+      },
+      includeAssets: ['favicon.ico', 'apple-touch-icon.png', 'mask-icon.svg', 'manifold.wasm'],
+      manifest: {
+        name: 'SVG Nametag Converter',
+        short_name: 'Nametag 3D',
+        description: 'Convert SVG files to 3D printable nametags offline.',
+        theme_color: '#1a1a1a',
+        background_color: '#1a1a1a',
+        display: 'standalone',
+        icons: [
+          {
+            src: 'pwa-192x192.png',
+            sizes: '192x192',
+            type: 'image/png'
+          },
+          {
+            src: 'pwa-512x512.png',
+            sizes: '512x512',
+            type: 'image/png'
+          }
+        ]
+      },
+      workbox: {
+        globPatterns: ['**/*.{js,css,html,ico,png,svg,wasm}'],
+        maximumFileSizeToCacheInBytes: 41943040, // 40 MB, just to be safe for WASM
+        cleanupOutdatedCaches: true,
+        clientsClaim: true,
+        skipWaiting: true
+      }
+    })
+  ],
 })