Mongol Service DE

Removed unnecessary images from the interface. New Liquid Glass bottom navigation — swipe or drag to switch between tabs. Added a centered green "+" button in the footer for creating new ads. The bottom navigation now remains visible while creating an ad. Signed-in users now open directly to the ads feed when launching the app. Added Sign in with Facebook support. Improved navigation between My Ads, Viewed Ads, and Membership. Fixed an issue where dragging the Liquid Glass navigation could freeze or jump to the wrong tab. Fixed an overflow issue on the app update screen. Improved privacy permissions, profile city selection, and avatar management.