converted planets and players to entities

merged

Merge branch 'feat/tokio-sucks' into 'master'

screw tokio

See merge request starkingdoms.tk/starkingdoms.tk!3

marge feat/tokio-sucks

input support

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

Rewrite the protocol to use protobuf

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

translate server to protobuf protocol

earth theoretically implemented

yay broken, player initialization

physics engine start

fix SLP

SLP

hell pt2

hell

initial commit