add django_extensions generate UML

TradeApp/settings.py

@@ -39,6 +39,7 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'django_extensions',
     'corsheaders',
     'channels'
 ]

migrate.sh

@@ -0,0 +1,3 @@
+python manage.py makemigrations
+python manage.py migrate
+python manage.py graph_models -a -g -o class_diagram.png

packages.sh

@@ -1,5 +1,12 @@
 pip install django
 pip install django-cors-headers
+
 pip install channels_redis
 pip install requests
 pip install pyjwt
+
+pip install django_extensions
+pip install pydotplus
+
+# for runing generate UML:
+# apt-get install graphviz