Add AppConfigs to example app and multiselectfield

example/app/__init__.py

@@ -0,0 +1 @@
+default_app_config = 'app.apps.AppAppConfig'

example/app/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class AppAppConfig(AppConfig):
+    name = 'app'
+    verbose_name = 'app'

multiselectfield/__init__.py

@@ -1,2 +1,5 @@
 from multiselectfield.db.fields import MultiSelectField  # noqa: F401
 from multiselectfield.forms.fields import MultiSelectFormField  # noqa: F401
+
+
+default_app_config = 'multiselectfield.apps.MultiSelectFieldConfig'

multiselectfield/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class MultiSelectFieldConfig(AppConfig):
+    name = 'multiselectfield'
+    verbose_name = 'Multiselect Field'