activity: create new vue subcomponent socialIssuesAcc

src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/App.vue

@@ -1,15 +1,17 @@
 <template>
    <concerned-groups></concerned-groups>
-   
+   <social-issues-acc></social-issues-acc>
 </template>
 
 <script>
 import ConcernedGroups from './components/ConcernedGroups.vue';
+import SocialIssuesAcc from './components/SocialIssuesAcc.vue';
 
 export default {
    name: "App",
    components: {
-      ConcernedGroups
+      ConcernedGroups,
+      SocialIssuesAcc
    }
 }
 </script>