Admin Settings GUI

• Fully implemented admin settings panel.
• Live config editing for all marketplace settings
• Category-based organization: Marketplace, Shops, Security, Discord, Ads
• Number adjustments with click/shift-click controls

Bug Fixes

• Fixed duplicate success messages when listing items
• Fixed shift-click exploit that bypassed listing fees
• Fixed shift-click cancelation for items bug (would give barrier).

Removed

• Starting Balance $5,000 from config.yml

Admin Improvements

• Working ban/unban system with reason tracking
• Ban enforcement across all marketplace features
• Admin actions for adjusting prices, deleting listings, managing shops
• Permission-based access control for all admin features