metainfo for swatchbooker needed on Gnome Software

[luyatshimbalanga]

Hello @olivierberten @prokoudine Here is the metainfo needed for Gnome Software used on Ubuntu, Fedora and other distributions following the appstream guideline

Simply extract the zip to the root directory and you edit the file to update the information. You can automate the installation to /usr/share/metainfo for future proof installation in any distribution

swatchbooker.metainfo.zip