Is it possible to version control custom public workspaces (Frappe v14)

[avc]

Export Workspaces as fixtures. This action will create JSON files in your app folder.

This doc talks about custom field, but is the same thing for Workspaces.

https://frappeframework.com/docs/user/en/guides/app-development/how-to-create-custom-fields-during-app-installation

Hope this helps.