First try appcommon as library

projects/common/src/lib/components/side-panel/side-panel.component.html

@@ -0,0 +1,10 @@
+<div class="side-panel hidden collapsed" [ngClass]="{'hidden':!visible,'collapsed':collapsed}">
+  <div *ngIf="collapsable" class="arrow rounded-right p-2" (click)="handleToggleClick($event)">
+    <i class="fa fa-chevron-left" aria-hidden="true"></i>
+  </div>
+  <div class="content">
+    <ng-content>
+
+    </ng-content>
+  </div>
+</div>