update readme

README.org

@@ -2,15 +2,33 @@
 * cd into the repository
 **
 * create a virtual environment for python
-** python -m venv venv
+#+begin_src sh :results output
+python -m venv venv
+#+end_src
+
 * activate the environment
-** source venv/bin/activate
+#+begin_src sh :results output
+source venv/bin/activate
+#+end_src
+
 * update pip
-** pip install upgrade pip
+#+begin_src sh :results output
+pip install upgrade pip
+#+end_src
+
 * install requirements
-** pip install -r requirements.txt
+#+begin_src sh :results output
+pip install -r requirements.txt
+#+end_src
+
 * cd into the renderer
-** cd render
+#+begin_src sh :results output
+cd render
+#+end_src
+
 * start the renderer
-**  python app.py
+#+begin_src sh :results output
+python app.py
+#+end_src
+
 * go to http://localhost:5000 to view the graph