Matchmaking server

[wquintal]

Create a matchmaking server based on matchbox

Starting from the existing service create a new server for our need.

The goal is to create a stateless matchmaking server that does not save information about user and add security.

Features:

• Private and public lobby : private lobby are secured and only authorize people can access it.
• Lobby have a shared state that is configured and approuval by all player before game can be launch. (This is the configuration for the ggrs connection and the game configuration)
• Lobby have a shared state to know if it's joinable , in-game , ...
• Possibility to have player and spectator in the lobby.
• When it's in-game player can reconnect or new player can join the lobby to connect as spectator.
• Can access the list of active public lobby and their state.
• Can access the list of active lobby of a friend or group based on a private/public key encryption