Add core app created by startapp

commoning/admin.py

+from django.contrib import admin
+
+# Register your models here.

commoning/apps.py

+from django.apps import AppConfig
+
+
+class CommoningConfig(AppConfig):
+    name = 'commoning'

commoning/models.py

+from django.db import models
+
+# Create your models here.

commoning/tests.py

+from django.test import TestCase
+
+# Create your tests here.

commoning/views.py

+from django.shortcuts import render
+
+# Create your views here.