chore: change destroy grid button color to red

Author: ghiscoding

src/app/examples/grid43.component.html

@@ -45,7 +45,7 @@ <h2>
       <button id="uploadBtn" data-test="static-data-btn" class="btn btn-outline-secondary" (click)="handleDefaultCsv()">
         Use default CSV data
       </button>
-      <button class="btn btn-outline-secondary" (click)="destroyGrid()">Destroy Grid</button>
+      <button class="btn btn-outline-danger" (click)="destroyGrid()">Destroy Grid</button>
     </div>
   </div>