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
fix(client): silence warnings in tick_events
fix(client): wait for AfterAuth before going to menu
feat(client, server): finally handle AfterAuth properly
feat(client): add flake.nix for easy development
feat(client): enable native wayland for bevy
feat(client): temporary new menu
feat(server, client): handle tick events, sorta
feat(client): handle AfterAuth message
feat(client): revamp CfgUser
feat(client, server, shared): new login/register
fix(client): wrong title in menu