Merge remote branch 'origin/dev'

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

feat(client): settings menu stub

feat(client): show title in play menu

feat(client): center main menu

feat(client): enable the play menu in a crippled state

chore(client): cleanup old login/register screens

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

feat(client): graceful exit with disconnect

feat(client): temporary new menu

fix(client): wrong title in menu

wip(client, server): handle auth and connecting

fix(client): make plugins::menu::ui pub

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

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

feat(client): clear connection screen data when switching views

feat(client): ability to show errors in the connect screen

feat!(client): add new connect ui, and menu stub

feat(client): delete some old belly ui's

feat!(client): move play ui, currently unused as well