Update public/index.html

public/index.html

@@ -638,6 +638,7 @@ Implementations, and Perspectives
        <!-- GitLab Repository: Adaptive Tests Plugin -->
        <div class="col-lg-12  portfolio-item isotope-item filter-repo">
           <div class="publication-box"> 
+            <div class="row"> 
 
               <!-- Spalte 1: GitLab-Repos -->
               <div class="col-12 col-md-6">
@@ -682,7 +683,7 @@ Implementations, and Perspectives
               </div>
           </div>
        </div>
-
+       </div>
 
 
         <!-- End GitLab -->