fix readme steps

gotta migrate the auth model before one can attempt to create
a superuser.

Signed-off-by: Pratyush Desai <pratyush.desai@liberta.casa>

README.md

@@ -8,9 +8,8 @@
 * activate `source venv/bin/activate`
 * `pip install -r requirements.txt`
 * will need docker running 
-* Create admin user: `python manage.py createsuperuser` 
-* `python manage.py makemigrations`
 * `python manage.py migrate`
+* Create admin user: `python manage.py createsuperuser` 
 * `python manage.py runserver`
 * visit http://localhost:8000 for /public and 
-  http://localhost:8000/admin/ to log in via the superuser credentials
+  http://localhost:8000/admin/ to login via the superuser credentials