Merge branch 'develop'

- Clear hotring buffer after each match

Merge branch 'develop'

- Implement Unicode and ASCII code replacement
- Improve menu functionality
- Add and fix some hotstrings
  - Add ≡, ≠, ≤, ≥, ∴, …
  - Change ℠ and ™ to sm and tm
  - Remove alternates for superscript 0-3
  - Remove superscript i
- Minor changes to ini editor

Merge branch 'develop'

- Add custom hotstrings
- Improve and refactor settings dialog
- Refactorings

Get rid of scrollbars in Settings form

Bump version

Merge branch 'develop'

- Update to use AHK v2
- Change help and key table to HTML
- Convert files to UTF-8
- Add GitHub action to publish releases