Report apps per runtime
It would be interesting to know apps per runtime over time.
This requires extra information to be added to the linux-store-backend.
<alexlarsson> $ less ~/.local/share/flatpak/appstream/flathub/x86_64/active/appstream.xml | grep app/com.play0ad.zeroad
<alexlarsson> <bundle type="flatpak" runtime="org.freedesktop.Platform/x86_64/1.6" sdk="org.freedesktop.Sdk/x86_64/1.6">app/com.play0ad.zeroad/x86_64/stable</bundle>