feat: add warning link button variant

components/interactive-elements.html

@@ -26,6 +26,10 @@
       <button class="sg-interaction-element sg-button sg-button--active" type="button" data-component="button" data-component-state="active">
         Link-Button aktiv
       </button>
+
+      <button class="sg-interaction-element sg-button sg-button--warning" type="button" data-component="button" data-component-variant="warning">
+        Link Button Warning
+      </button>
     </div>
   </section>