Add dropdown components, menus for RS auth items

app/javascript/controllers/application.js

@@ -1,8 +1,9 @@
 import { Application } from "@hotwired/stimulus"
-import { Modal, Tabs } from "tailwindcss-stimulus-components"
+import { Dropdown, Modal, Tabs } from "tailwindcss-stimulus-components"
 
 const application = Application.start()
 
+application.register('dropdown', Dropdown)
 application.register('modal', Modal)
 application.register('tabs', Tabs)