Add a view and routes

app/controllers/registrar/admin_contacts_controller.rb

@@ -0,0 +1,19 @@
+class Registrar
+  class AdminContactsController < BulkChangeController
+    BASE_URL = URI.parse("#{ENV['repp_url']}domains/admin_contacts").freeze
+    ACTIVE_TAB = :admin_contact
+
+    def update
+      authorize! :manage, :repp
+
+      uri = BASE_URL
+      request = form_request(uri)
+      response = do_request(request, uri)
+      start_notice = t('.replaced')
+
+      process_response(response: response,
+                       start_notice: start_notice,
+                       active_tab: ACTIVE_TAB)
+    end
+  end
+end