Add Person's external identifiers to creation and edit form

src/Bundle/ChillEventBundle/Resources/public/vuejs/App.vue

@@ -1,14 +1,14 @@
 <template>
-    <location />
+  <location />
 </template>
 
 <script>
 import Location from "ChillActivityAssets/vuejs/Activity/components/Location.vue";
 
 export default {
-    name: "App",
-    components: {
-        Location,
-    },
+  name: "App",
+  components: {
+    Location,
+  },
 };
 </script>