added locale

src/App.vue

@@ -1,10 +1,12 @@
 <script lang="ts"  >
 import {RouterView} from 'vue-router';
 import {Options, Vue} from 'vue-class-component';
+import DocumentLocaleSetter from '@/components/locale/DocumentLocaleSetter.vue';
 
 @Options({
   name: 'App',
   components: {
+    DocumentLocaleSetter,
     RouterView,
   },
 })
@@ -14,5 +16,6 @@ export default class App extends Vue {
 </script>
 
 <template>
+  <DocumentLocaleSetter/>
   <RouterView/>
 </template>