Cleaned up views.py monolith

django_project/django_project/urls.py

django_project/myapp/views/__init__.py

django_project/myapp/views/authviews.py

django_project/myapp/views/groupviews.py

django_project/myapp/views/initview.py

django_project/myapp/views/postviews.py

django_project/myapp/views/userviews.py