Convert app to Flask web application with color pickers

- Created Flask backend with REST API endpoints
- Built HTML/CSS/JavaScript frontend
- Replaced RGB sliders with color pickers for each palette color
- Reorganized layout: color palette on left, patterns on right
- Added persistence for color changes
- Integrated WebSocket client for lighting controller communication
- Added tab management, profile support, and pattern selection

run_web.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+"""
+Startup script for the Flask web application.
+"""
+import sys
+import os
+
+# Add src directory to path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'src'))
+
+from flask_app import app
+
+if __name__ == '__main__':
+    print("Starting Lighting Controller Web App...")
+    print("Open http://localhost:5000 in your browser")
+    app.run(host='0.0.0.0', port=5000, debug=True)
+