feat(client): add flake.nix for easy development

feat(client): enable native wayland for bevy

feat: add openssl to shell.nix

feat(client): temporary new menu

feat(server, client): handle tick events, sorta

feat(client): handle AfterAuth message

feat(client): revamp CfgUser

feat(server, shared): send an AfterAuth payload to the client after auth

feat(server): handle connect, disconnect and error events

fix(client): forgor log

feat(client, server, shared): new login/register

fix(client): wrong title in menu

feat(api): create session on register

feat(shared): derive deserialize for APIError

feat(shared): add cookie support for reqwest

docs: update main readme with more up-to-date details

wip(client): disable runtime data for now

wip(client, server): handle auth and connecting

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

feat(client): change api_server to server_address in CfgDev