Change the document title according to the title of the main frame.

assets/controllers/turbo/title_controller.js

@@ -0,0 +1,12 @@
+import { Controller } from '@hotwired/stimulus';
+
+export default class extends Controller {
+    connect() {
+        //If we encounter an element with this, then change the title of our document according to data-title
+        this.changeTitle(this.element.dataset.title);
+    }
+
+    changeTitle(title) {
+        document.title = title;
+    }
+}