improved README
improved README

ministryofjustice/cookiecutter-simple-django,msheiny/cookiecutter-simple-django,msheiny/cookiecutter-simple-django,dnmellen/cookiecutter-simple-django-sqlite,makinacorpus/cookiecutter-simple-django,JBKahn/cookiecutter-simple-django,marcofucci/cookiecutter-simple-django,makinacorpus/cookiecutter-simple-django,dnmellen/cookiecutter-simple-django-sqlite,ministryofjustice/cookiecutter-simple-django,marcofucci/cookiecutter-simple-django,msheiny/cookiecutter-simple-django,dnmellen/cookiecutter-simple-django-sqlite,JBKahn/cookiecutter-simple-django,marcofucci/cookiecutter-simple-django,ministryofjustice/cookiecutter-simple-django,makinacorpus/cookiecutter-simple-django,JBKahn/cookiecutter-simple-django