Unread FAB, and scroll to last unread on opening a room (#50) Add Unread count to filter chip in Rooms fallback to global avatars if local names aren't present

arm64-v8a Multiplatform Matrix client It uses a Rust library built on top of matrix-sdk for the core Matrix functionality and a Compose Multiplatform UI for Android and desktop. Current capabilities: - room list with basic previews and unread counts - room and thread timelines (text and media) - end-to-end encryption (via matrix-sdk) - spaces view - basic presence and privacy settings Do donate if you'd like to (not going to have it in app, wouldn't be here too but need a justification for me or my SOs)