Merge branch '662-admin-library-FilesList.vue' into 'develop'

#662: Added translation strings for admin/library/FilesList.vue

See merge request funkwhale/funkwhale!597

front/src/views/admin/library/FilesList.vue

 <template>
   <main v-title="labels.title">
     <section class="ui vertical stripe segment">
-      <h2 class="ui header"><translate>Library files</translate></h2>
+      <h2 class="ui header"><translate :translate-context="'Content/Admin/Title'">Library files</translate></h2>
       <div class="ui hidden divider"></div>
       <library-files-table :show-library="true"></library-files-table>
     </section>
@@ -18,7 +18,7 @@ export default {
   computed: {
     labels() {
       return {
-        title: this.$gettext("Files")
+        title: this.$pgettext('Head/Admin/Title', 'Files')
       }
     }
   }