Hacker's Keyboard vv1.39.1

What's new in version v1.39.1

- configurable Ctrl-A key to avoid accidental "select all", default uses Ctrl-Alt-A
- New layouts: carpalx, Neo2, Lithuanian, Bulgarian standard
- fix optional persistent notification
- always offer compact 5-row compact QWERTY layout
- change label scaling to be more consistent

See https://github.com/klausw/hackerskeyboard/releases/tag/1.39.1 for details