feat: extended configuration for teaser popup/modal

public/typo3conf/ext/ep_theme/Resources/Private/Templates/AjaxTeaserPopup/Concept.html

@@ -11,7 +11,7 @@
             <div class="absolute top-1/2 left-1/2 transform -translate-xy-1/2 w-full max-w-screen-lg px-4">
                 <div class="shadow flex items-center justify-between p-4 bg-concept-{concept.code} text-white rounded-t">
                     <span class="text-xl font-bold">
-                        Hinweis
+                        {concept.popupTitle}
                     </span>
                     <button type="button"
                             class="inline-block"
@@ -30,7 +30,7 @@
                             </h3>
                             {concept.popupText -> f:format.html()}
                             <a href="{targetUrl}" class="button bg-button">
-                                Ok
+                                {concept.popupButtonLabel}
                             </a>
                         </div>
                     </div>