Add cobrick logo (SAP#1072)

* adding co.brick logo

* Update whoisusingluigi.html

* no message

Co-authored-by: JohannesDoberer <johannes.doberer@sap.com>

website/landingpage/dev/src/partials/whoisusingluigi.html

@@ -26,8 +26,11 @@
     <li class="item">
         <a href="https://www.snk.de/" target="_blank"><img src="{{root}}assets/img/logos/snk.svg" alt="SNK" /></a>
     </li>
+    <li class="item">
+        <a href="http://www.cobrick.com" target="_blank"><img src="{{root}}assets/img/logos/cobrick.svg" alt="co.brick" /></a>
+    </li>
     <li class="item">
         <a href="https://github.com/SAP/luigi/blob/master/website/landingpage/dev/src/partials/whoisusingluigi.html"
-            class="btn-secondary show-for-large" target="_blank">+ your company</a>
+            class="btn-secondary" target="_blank">+ your company</a>
     </li>
-</ul>
+</ul>

website/landingpage/public/index.html

@@ -225,11 +225,15 @@ <h2 class="title-2 has-big-margin">From startups to the largest companies</h2>
                 <li class="item">
                     <a href="https://www.snk.de/" target="_blank"><img src="assets/img/logos/snk.svg" alt="SNK" /></a>
                 </li>
+                <li class="item">
+                    <a href="http://www.cobrick.com" target="_blank"><img src="assets/img/logos/cobrick.svg" alt="co.brick" /></a>
+                </li>
                 <li class="item">
                     <a href="https://github.com/SAP/luigi/blob/master/website/landingpage/dev/src/partials/whoisusingluigi.html"
-                        class="btn-secondary show-for-large" target="_blank">+ your company</a>
+                        class="btn-secondary" target="_blank">+ your company</a>
                 </li>
-            </ul>    </div>
+            </ul>
+          </div>
         </div>
       </section>
     </div>