Add PrimeHub Python SDK examples into primehub-examples

[LiuYuWei]

What would you like to be added:

Add PrimeHub Python SDK related Jupyter notebooks into primeHub-examples folder.

Why is this needed:

Users can learn how to use PrimeHub Python SDK & CLI to interact with PrimeHub.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[hlb]

new examples are in https://github.com/InfuseAI/primehub-examples