Add server-side rendering (via bundleRenderer, as this is what the Vue docs recommend, and apparently the only way it does encapsulation)

templates/VueSpa/ClientApp/components/app/app.vue.html

@@ -1,5 +1,5 @@
 <template>
-    <div class="container-fluid">
+    <div id='app-root' class="container-fluid">
         <div class="row">
             <div class="col-sm-3">
                 <menu-component />
@@ -9,7 +9,6 @@
             </div>
         </div>
     </div>
-
 </template>
 
 <script src="./app.ts"></script>