Server Listing & Translations

🆕 Server Listing in Admin Panel

• Server listing management now available in server admin panel
• Public servers can be listed on /servers
• Configurable description, invite link, tags and visibility

🌍 Multilingual Translations

• New translations for server listing, custom homepage and public webradio
• German and English for all new UI elements
• Improved internationalization in admin panel

🔧 Bugfixes

• Fixed 403 error on server listing API
• Fixed 500 error due to missing server_listings table
• Improved authorization check