Merge pull request 'hide custom categories list when empty' (#183) from feature/issue182 into develop

Reviewed-on: https://gitnet.fr/deblan/side_menu/pulls/183

src/AdminCategoriesCustom.vue

@@ -16,7 +16,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 -->
 <template>
   <div>
-    <ul class="side-menu-setting-list">
+    <ul class="side-menu-setting-list" :class="{hide: values.length === 0}">
       <li v-for="item in values" class="side-menu-setting-list-item" v-on:click="showEditForm(item)">
         <span v-text="item.en"></span>
       </li>
@@ -77,6 +77,12 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 }
 </style>
 
+<style scoped>
+.hide {
+  display: none;
+}
+</style>
+
 <script>
 import NcModal from '@nextcloud/vue/dist/Components/NcModal'
 import NcActions from '@nextcloud/vue/dist/Components/NcActions'