add target _blank when the option is enabled

src/SideMenu.vue

@@ -26,7 +26,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 
         <ul class="side-menu-apps-list">
             <li v-for="app in apps" v-bind:class="{'side-menu-app': true, 'active': app.active}">
-                <a v-bind:href="app.href" v-bind:title="app.name">
+                <a v-bind:href="app.href" :target="targetBlank ? '_blank' : undefined" v-bind:title="app.name">
                      <span class="side-menu-app-icon" v-html="app.icon"></span>
                      <span class="side-menu-app-text" v-html="app.name"></span>
                 </a>
@@ -45,6 +45,7 @@ export default {
             apps: [],
             logo: null,
             forceLightIcon: false,
+			targetBlank: false,
         }
     },
     methods: {
@@ -119,6 +120,7 @@ export default {
         this.retrieveApps()
         this.retrieveLogo()
         this.forceLightIcon = document.querySelector('#side-menu-container').getAttribute('data-forcelighticon') == 1;
+        this.targetBlank = document.querySelector('#side-menu-container').getAttribute('data-targetblank') == 1;
 
         const menu = document.querySelector('#appmenu')