Local and online multiplayer

[erlend-sh]

We'll most likely use https://github.com/lemunozm/message-io

Overview of different netcode solutions here:
lemunozm/message-io#11 (comment)

A demo game quite similar to Shotcaller is available here:
https://github.com/lemunozm/asciiarena

[erlend-sh]

We have decided to use Nakama. Its parent company is my employer, so it will be very well supported.

Joël is making a nakama-rs client library. Once that’s done we can start the full multiplayer implementation on our end.