Add explanation for venv

backend/README.md

@@ -1,19 +1,25 @@
 # Wep Application Engineering & Content Management Django Backend
 
 ## Tips
-* use Jetbrains Pycharm IDE
-* create and use a virtual environment
+* Use Jetbrains Pycharm IDE
+* Create and use a virtual environment with
+```bash
+$ python -m venv venv
+$ source venv/bin/activate
+```
 
 ## Setup
-    $ cd ./app_be
+```bash
+$ cd ./app_be
 
-    $ pip install -r requirements.txt
+$ pip install -r requirements.txt
 
-    $ python manage.py makemigrations
-    $ python manage.py migrate
-    $ python manage.py createsuperuser
+$ python manage.py makemigrations
+$ python manage.py migrate
+$ python manage.py createsuperuser
 
-    $ python mangge.py runserver
+$ python manage.py runserver
+```
 
 ## ERROR handling
 <em>Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools"</em>