add file browser component and widget

examples/file_browser_demo/serve.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# serve.sh - Build optimized WASM and serve with Trunk
+
+set -e
+
+echo "🔧 Building optimized WASM bundle..."
+trunk build --release
+
+echo "📦 Checking bundle sizes..."
+if [ -d "dist" ]; then
+    echo "Bundle sizes:"
+    find dist -name "*.wasm" -exec ls -lh {} \; | awk '{print "  WASM: " $5 " - " $9}'
+    find dist -name "*.js" -exec ls -lh {} \; | awk '{print "  JS:   " $5 " - " $9}'
+    find dist -name "*.css" -exec ls -lh {} \; | awk '{print "  CSS:  " $5 " - " $9}'
+    echo ""
+fi
+
+echo "🚀 Starting Trunk development server..."
+echo "📍 Server will be available at: http://127.0.0.1:8080"
+echo ""
+echo "💡 Tips:"
+echo "   - Make sure your Flask backend is running on http://127.0.0.1:5000"
+echo "   - Check CORS configuration in your backend"
+echo "   - Upload files will use TUS protocol for resumable uploads"
+echo ""
+echo "⏹️  Press Ctrl+C to stop the server"
+echo ""
+
+# Start Trunk serve
+trunk serve --release