Updated command reference page

Author: codingforentrepreneurs

commands.md

@@ -1,17 +1,19 @@
-## Standard migration
+# Reference Commands
+Reference commands that we use in this project.
 
+## Django Settings
+
+#### Standard migration
 ```
 python manage.py migrate
 ```
 
-## Different Settings Module
+#### Different Settings Module
 ```
 python manage.py migrate --settings serverless_django.settings.production
 ```
-> old version: `python manage.py migrate --settings:serverless_django.prod_settings`
-
 
-## Using Environment Variables
+#### Using Environment Variables
 ```
 DJANGO_SETTINGS_MODULE=serverless_django.settings.production python manage.py migrate
 ```