Release 1.1.0

NEW: Full UI redesign across landing, dashboard, account, listings, balance, and auth
IMPROVED: Clearer balance overview with Available, Pending, and Escrow cards
FIX: Sidebar unread badges and action buttons contrast/sizing for readability
FIX: Profile images rendering as "/" when avatar is empty — fallback to default image
NEW: Admin upgrade page now shows version changelog from the license server