Omnyssh

### Features
- **Settings shows the installed version.** On Windows and Linux the desktop app showed its version nowhere. Settings now ends with it, and it can be copied into a bug report.
- **Group and arrange hosts on the dashboard.** With many hosts the dashboard was one long grid in config order. Both apps now group it with `g`: each host goes under its first tag, untagged hosts last. In the desktop app, View options also sorts the cards by name or status, sections fold from their header, and a card's handle drags it, or moves it with the arrow keys, into an order of your own that is kept across restarts.
- **Drag files and folders between the SFTP panes, or onto the remote pane from your file manager.** In the desktop app, dragging a row to the other pane uploads or downloads it into the folder row it is dropped on, or else into the folder on show, and dragging a ticked row takes every ticked row along. Files and folders dropped from Explorer, Finder or a Linux file manager onto the remote pane upload to it. Escape cancels a drag.
- **Both apps transfer whole folders.** Upload and Download in the desktop app, and copy and paste in the terminal app, take a folder with everythin