Add selecting next/previous tunit and highlight it

assets/js/app.js

@@ -23,11 +23,14 @@ import {LiveSocket} from "phoenix_live_view"
 import topbar from "../vendor/topbar"
 
 import {DarkModeHook} from './dark-mode-widget'
+import {TranslationFormHook} from "./translation-form"
 
 let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("content")
 let liveSocket = new LiveSocket("/live", Socket, {
   params: {_csrf_token: csrfToken},
-  hooks: {dark_mode_widget: DarkModeHook},
+  hooks: {translation_form: TranslationFormHook,
+          // tunit_editor: TunitEditorHook,
+          dark_mode_widget: DarkModeHook},
 })
 
 // Show progress bar on live navigation and form submits