Version 1.5.1

Notable changes:
 2022-10-31 f91541c actionless feat(cli): print usage
 2022-10-31 223138b actionless chore(packaging: bin, makefile): expose CLI
 2022-10-31 467cb4a actionless chore(base16): sync mirror with base16 upstream
 2022-10-31 593fb0b actionless chore(templates_extra: gtk3): remove unfinished template
 2022-10-31 5ac6017 actionless chore(templates_extra: qt-oomox-styleplugin): remove unneeded files