Add Liblast (FOSS FPS game on Godot 4)?

[unfa]

HI, I'm the lead of the Liblast project.

It's an open-source multiplayer FPS game made with Godot 4 and a 100% open-source toolchain.
Project website: https://libla.st

The game isn't at 1.0 (far from it still), but I guess we already have some interesting things to show and we're helping battle-test Godot 4 :)

A recent video showing gameplay:
https://youtu.be/vRysnWzC0k0

Cheers!