chore(client, server, shared): update naia to 0.20.{0,1}

feat(client): derive Reflect for some types

Merge remote branch 'origin/dev'

wip!(client, server, shared): initial updating to bevy 0.10

feat(client): move connect menu structs to mod from ui

wip(client, server): handle auth and connecting

feat(client): add separate networking plugin, a few event stubs

feat(client): move connect screen stuff to own module