Update README.md

Author: KirovVerst

README.md

@@ -4,7 +4,11 @@ The Inception of our trip.
 ##Backend
 ###Install
 ```bash
-pip install -r requirements.txt
-python manage.py migrate
+$ pip install -r requirements.txt
+$ python manage.py migrate
+```
+###Load test data
+```bash 
+$ python manage.py test_data
 ```
 ##Frontend