Translation (using Weblate):
- Added Turkish translation (thanks to abfreeman).
- Added Norwegian Bokmål (not complete) (thanks to Allan Nordhøy).
- Updated Spanish translation (thanks to J. Lavoie and gallegonovato).
- Updated Traditional Chinese translation (thanks to plum7x).
- Updated German translation (thanks to J. Lavoie).
- Updated French translation (thanks to J. Lavoie).
New features:
- Added black theme.
- Added JPG and SVG export for barcode image.
- Some code improvements.
- Some bugs fixed.