We have recently added support for import Automate Models stored in a Git Repositories. You can access it from the UI via Automate -> Import/Export screen
You need to enable an appliance with the Git Repositories Owner role enabled.
You access this screen clicking on the logged in user on top right corner and using Configuration
Then you can use the Automate -> Import/Export Screen and fill in the
* Verify Peer Certificate for (Self Signed Certificates should be unchecked)
Once you fetch the repository you have the option of selecting a branch or a tag to import.
This feature is new for these release we are still ironing out all the bugs.