[openFATE 305693] Versioning for project data

Feature changed by: Andreas Jaeger (a_jaeger) Feature #305693, revision 2 Title: Versioning for project data - Buildservice: Unconfirmed + Buildservice: Evaluation Priority Requester: Mandatory Requested by: Martin Mohring (martinmohring) Description: Currently, we have versioning of the source files with OBS.Since at least projconf correlates to the sources, it should be versioned to make versioning more of a feature to restore old versions reproducable. -- openSUSE Feature: https://features.opensuse.org/305693