feat: re-introduced MacOS support

preparatory changes to make dvdisaster compilable under MacOS
Implemented workaround to macOS Test Unit Ready bug
fixed manual.pdf not opening on macOS
Added case for binary being in app bundle
updated locale files due to change in closure.c
added back mac app bundle specific files
reverted make-dist.sh to windows/linux only version and created separate mac script which uses dylibbundler
altered release.yml accordingly
chore: fix build under MacOS

Co-authored-by: Stéphane Lesimple speed47_github@speed47.net Co-authored-by: jlnbxn julianboxan@gmail.com Co-authored-by: wojas github@m.wojas.nl

speed47 / dvdisaster