requirements.txt - Python dependencies required for this chapter
flask_api_server.py - RESTful API Server to control a LED
flask_ws_server.py - Web Socket Server API server to control a LED
templates/index_api_client.html - Web client for flask_api_server.py
templates/index_ws_client.html - Web client for flask_ws_server.py
static/jquery.min.js - JQuery JavaScript library for both web clients
static/socket.io - Socket.io JavaScript library for index_ws_client.html