Issue #3261439: Add new_revision config and implement RevisionableEntityBundleInterface

config/schema/microcontent.schema.yml

@@ -14,3 +14,6 @@ microcontent.type.*:
     type_class:
       type: text
       label: 'Background class'
+    new_revision:
+      type: boolean
+      label: 'Whether a new revision should be created by default'