The source project of this merge request has been removed.
appdata: Add OARS tag
"The old generator also included all the none-value entries—it no longer does this, you can safely remove them.
If it only consists of none values, it’s safe to shorten it to just: <content_rating type="oars-1.1" />"
More information: https://docs.flathub.org/docs/for-app-authors/appdata-guidelines/#oars-information