api work and add license

Merge branch 'bevy_rewrite' of gitlab.com:starkingdoms.tk/starkingdoms.tk into bevy_rewrite

input added, but thats it

formatting and join messages

chat functionality

added radius to PlanetPositions packet

players can now leave

sending players on connection and part positions

redo whole protocol, client does something, old client gone

its json now, also remove the old client

server can spawn player in theory, removed some old client code