gallery: add translation for application name (#39504)

combo/apps/gallery/__init__.py

@@ -15,9 +15,12 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import django.apps
+from django.utils.translation import ugettext_lazy as _
+
 
 class AppConfig(django.apps.AppConfig):
     name = 'combo.apps.gallery'
+    verbose_name = _('Gallery')
 
     def get_after_manager_urls(self):
         from . import urls