Merge branch 'feat/protobuf-protocol' into 'master'

Rewrite the protocol to use protobuf

See merge request starkingdoms.tk/starkingdoms.tk!1

translate client to protobuf protocol

translate server to protobuf protocol

input subsystem basics

multiple players support

fix the client ping system

alright lets go stuff broke again

make clients send pingpong more often

adding player is pain

haha am idiot, needed to pull again

added player (yay) does it work? idk, client broke

animation framework

Merge branch 'master' of https://gitlab.com/starkingdoms.tk/starkingdoms.tk

texture loading

spritesheets

recv position and planet data on the client

rendering traits

fix backoff delay happening even when backoff should be 0

cleanup

stop mainloop when it errors - fix pingpong