Chart versioning

[rich0]

Would it be possible to have some kind of versioning to better align app and chart versions? Or at least to distinguish version updates that introduce major app version updates?

For example, 8.0.3 -> 8.1.0 was a major nextcloud upgrade to v32 (which could have app compatibility issues). On the other hand 8.1.0 -> 8.2.0 is just labeled as adding some labels to the pod template, which seems almost trivial.

I don't want to suggest going overboard, but it might add a lot of value if it were more obvious from version numbering when a major nextcloud update is going to be triggered. To be fair the appversion update was in the what's changed notes.