Issue 4284: [generate:entity:content] misses revision annotations (#4285)

Co-authored-by: Stef Van Looveren <stef.vanlooveren@vito.be>

Author: stef-van-looveren

templates/module/src/Entity/entity-content.php.twig

@@ -93,6 +93,13 @@ use Drupal\user\UserInterface;
  *     "langcode" = "langcode",
  *     "published" = "status",
  *   },
+{% if revisionable %}
+*   revision_metadata_keys = {
+*     "revision_user" = "revision_uid",
+*     "revision_created" = "revision_timestamp",
+*     "revision_log_message" = "revision_log"
+*   },
+{% endif %}
 {% if has_forms %}
  *   links = {
  *     "canonical" = "{{ base_path }}/{{ entity_name }}/{{ '{'~entity_name~'}' }}",