Format installation commands in README

Updated code formatting for installation commands in README.

Author: aniu2240

README.md

@@ -9,13 +9,13 @@ This repository is designed to run on an NVIDIA Jetson Orin platform
 Install ros2
 
 Make sure you source your ros2 workspace
-
-`source /opt/ros/humble/setup.bash`
-
+```
+source /opt/ros/humble/setup.bash
+```
 Install the `camera_info_manager` package
-
-`sudo apt install ros-humble-camera-info-manager`
-
+```
+sudo apt install ros-humble-camera-info-manager
+```
 Install the Mindvision Hikrobot SDK
 ```
 cd ./autoaiming/src/prm_camera/mv_publisher/sdk