Appdata and meson related changes
appdata: Update appdata
- Update bugtracker URL
- Add vcs-browser URL
- Add developer block
- Add OARS rating
- Add launchable tag
flathub: simplfy cleanup command
Use one entry for each line
meson: Update desktop file
Fix an error related to datadir
meson: Update metainfo location
Use metainfo directory to put metainfo file.
More information: https://docs.flathub.org/docs/for-app-authors/metainfo-guidelines/#path-and-filename
Edited by Sabri Ünal