feat: integrate with iframe resizer for embedding myep

public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/controllers/iframe_controller.js

@@ -0,0 +1,18 @@
+import { Controller } from '@hotwired/stimulus';
+import iframeResize from '@iframe-resizer/parent';
+
+export default class extends Controller {
+    static values = {
+        license: {
+            type: String,
+            default: 'GPLv3',
+        }
+    }
+
+    connect() {
+        iframeResize({
+            license: this.licenseValue,
+            waitForLoad: true
+        }, this.element)
+    }
+}

public/typo3conf/ext/ep_theme/Resources/Private/Assets/scss/_base.scss

@@ -8,4 +8,9 @@
     [data-rte-content] {
         @import "base/rte-content";
     }
+
+    iframe {
+        width: 100%;
+        height: 100vh;
+    }
 }