Fix code blocks in readme

README.md

@@ -1,7 +1,7 @@
 # Build the docker image
-'''bash
+```bash
 docker build -t exwayz_test:v1.0 -f exwayz_test.dockerfile .
-'''
+```
 ## TODO Building with docker secrets
 We need to improve our handling of secrets and figure out a safer way to include them in the docker file/image
 
@@ -12,24 +12,23 @@ We need to improve our handling of secrets and figure out a safer way to include
 2. Share the volume with our current code so we can access it in the container
 3. start a shell 
 
-'''bash
+```bash
 docker run -it \
     --env="DISPLAY=$DISPLAY" \
     --env="QT_X11_NO_MITSHM=1" \
     --volume="/tmp/.X11-unix:/tmp/.X11-unix:rw" \
     -v "$(pwd):/app" \
     exwayz_test
-'''
+```
 
 
 Then, run the exways slam on a bag to test everything is workign correctly.
-'''bash 
+
+```bash 
 exwayz_slam --bag data/exwayz_sample_data_slam_01.bag --bag-hesai /hesai/pandar_packets --hesai-model PandarXT-32 --d-write 0.1 -o ./slam_session_tutorial --no-date
-'''
+```
+
 Naturally, change the path to the bagfile for the parameter '--bag'
 
 Hopefully, you will see something like this:
 ![Working Exwayz Demo¨¨](media/Exwayz_slam_demo_working.gif)
-
-# may have to:
-source /opt/ros/$ROS_DISTRO/setup.bash