[Robotics] add mpc-demo in edge-ai-suites/robotics-ai-suite/pipelines

[AnnikaWU]

Description

Add new mpc demo pipeline in robotics-ai-suite/pipeline and one more pathc for robotics-ai-suite/pipelines/act-sample.

Any Newly Introduced Dependencies

• new patch for robotics-ai-suite/pipelines/act-sample relied on rclpy
• mpc demo relied on ros2 humble

How Has This Been Tested?

Manual tests will be done next week. Guidance is in mpc-demp/README.md

Checklist:

• [ * ] I agree to use the APACHE-2.0 license for my code changes.
• [ * ] I have not introduced any 3rd party components incompatible with APACHE-2.0.
• [ * ] I have not included any company confidential information, trade secret, password or security token.
• [ * ] I have performed a self-review of my code.