feat: improved layout, removed htmx-boost for simplicity

assets/controllers/loading_controller.js

@@ -0,0 +1,11 @@
+import { Controller} from '@hotwired/stimulus'
+
+export default class extends Controller {
+
+    static targets = [ 'indicator' ]
+    static classes = [ 'hidden' ]
+
+    toggle() {
+        this.indicatorTarget.classList.remove(this.hiddenClass)
+    }
+}