elections2021: Self hosted vue.js

elections2021/templates/elections2021/base.html

@@ -234,7 +234,7 @@
     </ui-app>
   </footer>
 
-  <script src="https://cdn.jsdelivr.net/npm/vue@2.6.11/dist/vue.js"></script>
+  <script src="{% static "shared/vendor/vue/vue.2.6.11.js" %}"></script>
   <script src="{% static "elections2021/js/main.bundle.js" %}"></script>
 </body>
 </html>