PoC - Milestone 1

This release contains a website and a game-client. The game client in developed with the Godot Engine and reuse the code create after completing the tutorial Your first 3d game in Godot. The website is a ReacJS application with a React Router and displays a homepage with a basic navigation bar showing a Home, Play and Downloads links. The Godot game is exported as a Web game and deployed alongside the web site.