feat: Start/stop LLaMA Server from statusbar

[reneleonhardt]

Features

• User can start or stop the server from the statusbar
• User can start or stop the server with the hotkey ctrl + shift + alt + S (command + shift + alt + S on Mac)
• Actions not available / hidden on Windows, or if another service is selected, or if the selected model isn't downloaded
• Notifications describe the state (Starting, Running, Stopping, Stopped)
• Only one notification is visible at any time even when you toggle the action again repeatedly

Fixed / Improved

• LLaMA model selected when settings are opened
• Statusbar actions use localized messages
• Streamlined paths usage
• Refactored preferences form and notifications

Suggestions

• Rename terminated to stopped (reused preferences wording)

[carlrobertoh]

I think we should make it visible only to Mac and Linux users, since we don't support running the server on Windows yet.

[reneleonhardt]

I think we should make it visible only to Mac and Linux users, since we don't support running the server on Windows yet.

Good idea, done. Can I change terminated to stopped everywhere? 😅

[carlrobertoh]

I think we should make it visible only to Mac and Linux users, since we don't support running the server on Windows yet.

Good idea, done. Can I change terminated to stopped everywhere? 😅

Sure, "stopped" sounds better.