Add group-card h2 variant sandwich menu and align VSF page to component template

components/cards.html

@@ -170,7 +170,21 @@
     <p class="sg-preview-label">Variante: Group Card mit H2 Überschrift</p>
 
     <div class="sg-group-card sg-group-card--margin-after-large" data-component="group-card">
+      <div class="sg-group-card__header-row">
       <h2 class="sg-heading-h2 sg-text-on-dark sg-group-card__heading">Gruppenüberschrift</h2>
+      <div class="sg-sandwich-menu-wrap" data-open="false" data-align="right" data-component="sandwich-menu" data-component-size="small">
+        <button class="sg-interaction-element sg-sandwich-button sg-sandwich-button--small" type="button" aria-expanded="false" aria-label="Gruppenmenü öffnen" data-component-part="sandwich-trigger">
+          <span class="sg-sandwich-button__icon" aria-hidden="true">
+            <span class="sg-sandwich-button__line"></span>
+            <span class="sg-sandwich-button__line"></span>
+            <span class="sg-sandwich-button__line"></span>
+          </span>
+        </button>
+        <div class="sg-sandwich-menu-panel" aria-label="Gruppenmenü" data-component-part="sandwich-panel">
+          <a class="sg-sandwich-menu-link" href="#" data-component-part="sandwich-menu-link">Gruppenüberschrift anpassen</a>
+        </div>
+      </div>
+    </div>
 
       <article class="sg-card" data-component="card" data-component-context="group-card">
         <div class="sg-card-segment sg-card-segment--header sg-card-segment--darkblue" data-component-part="card-header">