Add core app

Add migrations folders to .gitignore

.gitignore

@@ -1,3 +1,4 @@
 expephalon/custom_settings.py
 *.pyc
-__pycache__/
+__pycache__/
+migrations/

core/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

core/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class CoreConfig(AppConfig):
+    name = 'core'

core/models.py

@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.

core/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

core/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.