KTailctl v0.4.0

Features

• Implement Tailscale send from peer list and tray icon.
• Show both total upload and download speed on statistics page.

Fixes

• Make offline tray icon more visible on Mac OS.
• Fix clipboard access within tray menu.
• Keep tray menu more compact by putting peers in submenu.
• Determine tailscale interface at runtime.
• Add clipboard icons to indicate information that can be copied.
• Use getenv instead of secure_getenv on Mac OS.

Chores

• Update to tailscale v1.44.0.