net/onedrivegui: New port: simple GUI for OneDrive client with multi-account support

A GUI for FreeBSD/Linux OneDrive Client with multi-account support.

Feature Highlights
- Management and configuration of multiple OneDrive accounts.
- Asynchronous real-time monitoring of multiple OneDrive accounts.
- Setup wizard for easy OneDrive profile creation and import.
- Auto-sync on GUI startup.
- Support for GUI-based login process.
- System tray (if supported by your desktop environment).
- Start minimized to tray/dock.
- Input validation to prevent configuration of incompatible OneDrive client
  options.
- Progress monitoring of multiple simultaneous file transfers.
- Import and management of SharePoint Shared Libraries.
- Tooltips with brief explanations of various OneDrive Client configuration
  options.
- Prompt for re-sync authorization to prevent unexpected data loss.