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/webui/src/app/api/public/stats/route.ts

@@ -0,0 +1,14 @@
+import { NextResponse } from 'next/server';
+import { getPublicStats } from '@/lib/public-stats';
+
+export async function GET() {
+  try {
+    const stats = await getPublicStats();
+    return NextResponse.json(stats, {
+      headers: { 'Cache-Control': 'public, s-maxage=30, stale-while-revalidate=60' }
+    });
+  } catch (error) {
+    console.error('[public/stats]', error);
+    return NextResponse.json({ error: 'Failed to load stats' }, { status: 500 });
+  }
+}

apps/webui/src/app/api/public/status/route.ts

@@ -0,0 +1,14 @@
+import { NextResponse } from 'next/server';
+import { getPublicStatus } from '@/lib/public-status';
+
+export async function GET() {
+  try {
+    const status = await getPublicStatus();
+    return NextResponse.json(status, {
+      headers: { 'Cache-Control': 'public, s-maxage=15, stale-while-revalidate=30' }
+    });
+  } catch (error) {
+    console.error('[public/status]', error);
+    return NextResponse.json({ error: 'Failed to load status' }, { status: 500 });
+  }
+}