Add setup instructions

authserver/README.md

@@ -0,0 +1,10 @@
+Setup:
+
+```
+$ virtualenv -p python3 env
+$ . env/bin/activate
+(env) $ pip install -r requirements.txt
+(env) $ python manage.py migrate
+(env) $ python manage.py createsuperuser --email admin@example.com --username admin
+(env) $ python manage.py runserver
+```