Add ownCloud Infinite Scale 4.0.0

[FollowTheWizard]

Application you'd like to add:
ownCloud Infinite Scale 4.0.0

Link to Docker image:
https://hub.docker.com/r/owncloud/ocis

Why you'd like this application added:
i would like to have a simple & fast cloud that i can host at home and reach from extern. and also share files with family.
I do not need the feature set of nextcloud with all the apps and extensions. the setup of nextcloud is also very errorprone in my opinion: with missing phone extension, "wrong" cache, databases options a.s.o.
i saw already one request for the "old" version, but i think the new one might be "easier" to add.