added lint to article

Author: ostepane

ng-signals/index.html

@@ -237,6 +237,11 @@ <h3>Change Detection Default Strategy</h3>
         <section>
           <h3>Change Detection Signals</h3>
           <img class="reset" src="img/signals_change_detection.gif" />
+
+          <ul>
+            <li><a href=https://angular.de/artikel/angular-kurz-erklaert-signals target="_blank">A link to article</a>
+            </li>
+          </ul>
         </section>
 
         <section>