v8

• Allow grouping of chats into folders
• Add an option to show device RAM usage on the chat screen
• The app can now run on emulated Android devices
• Sync with upstream llama.cpp

UI/UX changes

• Improved wizard for adding new models (easy to follow for beginners and non-technical persons)
• Improved top app bar in the chat screen
• Improved chat list drawer with a 'marker' to indicate the currently selected chat
• New app icon
• New color scheme for the app, new font (San Francisco)