add scaffolder visibility config for GitLab and BitBucket

app-config.yaml

@@ -243,6 +243,7 @@ scaffolder:
       baseUrl: https://gitlab.com
       token:
         $env: GITLAB_TOKEN
+    visibility: public # or 'internal' or 'private'
   azure:
     baseUrl: https://dev.azure.com/{your-organization}
     api:
@@ -255,6 +256,7 @@ scaffolder:
         $env: BITBUCKET_USERNAME
       token:
         $env: BITBUCKET_TOKEN
+    visibility: public # or or 'private'
 
 auth:
   environment: development