DEV: Add `users-directory-controls` outlet (#13679)

DEV: Add users-directory-controls outlet (#13679)

This can be used by themes/plugins to add additional buttons to the user directory controls

diff --git a/app/assets/javascripts/discourse/app/templates/users.hbs b/app/assets/javascripts/discourse/app/templates/users.hbs
index d6c7450..462bced 100644
--- a/app/assets/javascripts/discourse/app/templates/users.hbs
+++ b/app/assets/javascripts/discourse/app/templates/users.hbs
@@ -41,6 +41,7 @@
                 class="btn-default open-edit-columns-btn"
               }}
             {{/if}}
+            {{plugin-outlet name="users-directory-controls" connectorTagName="" tagName="" args=(hash model=model)}}
           </div>
         </div>
 

GitHub sha: e1175f9f35a8dbae5abcecb4f1757ca8db26577c

This commit appears in #13679 which was approved by CvX. It was merged by davidtaylorhq.