- Added AvatarRepository for handling avatar storage, retrieval, and delivery.
- Created AvatarCacheEntity and AvatarDeliveryEntity for database storage.
- Introduced PacketAvatar for P2P avatar transfer between clients.
- Enhanced RosettaDatabase to include avatar-related tables and migration.
- Developed AvatarFileManager for file operations related to avatars.
- Implemented AvatarImage composable for displaying user avatars.
- Updated ProfileScreen to support avatar selection and updating.
- Added functionality for handling incoming avatar packets in ProtocolManager.
