Merge branch 'werthmannlu-main-patch-88102' into 'main'

Update README.md

See merge request !1

README.md

 # Clone ROS-Package
 
 Change in your ROS-node directory:
-```cd ~catkin_ws/src```
+
+```sh
+cd ~catkin_ws/src
+```
 
 Clone the git-repository of the listener-node 
-```git clone ```
+```sh
+git clone https://git.informatik.fh-nuernberg.de/werthmannlu/ros_listener.git
+```
 
 # Check CMakeList.txt
 
 
 # Run Ros-Node
 
-```cd ~/catkin_ws```
-```catkin_make```
-```source ~/catkin_ws/devel/setup.sh```
+```sh
+cd ~/catkin_ws
+catkin_make
+source ~/catkin_ws/devel/setup.sh
+```
 
 If not done before:
-```roscore &```
+```
+roscore &
+```
 
 Start Listener
-```rosrun ros_listener listener.py```
+```sh
+rosrun ros_listener listener.py
+```