Merge pull request 'Update README' (#21) from update-readme into main

Reviewed-on: #21

README.md

@@ -28,5 +28,7 @@ DEBUG = True
 SECRET_KEY = 'what you want'
 ```
 
-When you'll run `python manage.py runserver`, an empty database will be automatically created.  
-The `local_settings.py` is in the `.gitignore` and should stay that way, so we don't accidentally overwrite the production file when we deploy.
+When you'll run `python manage.py migrate` then `python manage.py runserver`, an empty database will be automatically created.  
+The `local_settings.py` is in the `.gitignore` and should stay that way, so we don't accidentally overwrite the production file when we deploy.
+
+To obtain administrator rights you can run `python manage.py createsuperuser`.