add menuShortcut component

apps/maarch_entreprise/Views/menuShortcut.component.html

+<mat-nav-list *ngIf="mobileMode">
+    <a mat-list-item href="index.php?display=true&page=logout&logout=true">
+        <mat-icon color="warn" mat-list-icon class="fa fa-sign-out-alt"></mat-icon>
+        <p mat-line>
+            {{lang.logout}}
+        </p>
+    </a>
+</mat-nav-list>
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