Enhance bot and WebUI functionality with new features and environment updates

- Added support for new environment variables in `.env.example` for public site and legal operator information.
- Integrated core commands into the bot's command structure for improved functionality.
- Implemented a new `publishBotStatus` function to update bot status in Redis, enhancing monitoring capabilities.
- Updated the landing page to include features, invite links, and support server access, improving user experience.
- Enhanced localization with new keys for core commands and landing page elements in both English and German.
- Improved error handling and logging for bot presence updates and status publishing.

apps/bot/src/commands.ts

@@ -29,9 +29,11 @@ import { statsCommands } from './modules/stats/index.js';
 import { feedsCommands } from './modules/feeds/index.js';
 import { scheduleCommands } from './modules/scheduler/index.js';
 import { guildBackupCommands } from './modules/guildbackup/index.js';
+import { coreCommands } from './modules/core/index.js';
 import type { BotContext, SlashCommand } from './types.js';
 
 const commands: SlashCommand[] = [
+  ...coreCommands,
   ...moderationCommands,
   ...automodCommands,
   ...welcomeCommands,