docs: sync wiki with grumpy-2.0 (auto-deploy panels, audit logger, new commands)
Major refresh to match the current state of the bot:
- Drop the message-ids workflow — panels are auto-deployed on startup and
tracked in the database (WelcomeState, TicketPanelMessage). Manual
/welcome setup-verify and /tickets setup-panel remain for re-deploys.
- Welcome: banner is now the default mode for both join and leave; leave
also supports embed/text. Verify panel uses full embed schema.
- Mod: document the new server audit logger (channel/role/member/profile/
invite/webhook/emoji/message events), plus /mod note and /mod softban.
- Tickets: document /tickets reopen, channelId "0" support fallback, and
the auto-deployment flow.
- Add /botstatus, console commands (stop/exit/quit/help), graceful
shutdown and per-guild slash command notes.
- Drop the .env requirement (DATABASE_URL falls back to file:./grumpy.db).
- Configuration page now reflects the actual config.yml (addons, channels,
roles) and points at configs/modules/*.yml for feature settings.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
