basic module protocol finished?

Added some types and protocol for module attachment

Merge commit 'HEAD@{1}'

added ModulesUpdate packet

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

Rewrite the protocol to use protobuf

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

work on switching to protobuf for the protocol

start switching to protobuf for the protocol