Steam Sockets Multiplayer Peer para Godot 4 via GDExtension

Demo in branch "demo": (https://github.com/expressobits/steam-multiplayer-peer/tree/demo)

Can be added to a project that has GodotSteam

It uses some codes that are close to GodotSteam's SteamNetworkingSockets(), but all aimed at integrating Godot 4's MultiplayerPeerExtension

It does not use lobbies

The extension remains extremely simple and if necessary to have lobbies it must be implemented one level higher, it is recommended to use godotsteam.

Previous contributions

This code was built on top of small experiments by Zennyth[https://github.com/Zennyth] , greenfox1505[https://github.com/greenfox1505] and MichaelMacha[https://github.com/MichaelMacha]

No channel support currently

At some point I intend to integrate channels to be used in rpcs commands, but currently it is only necessary to use channel 0 or the default rpcs