Multi-notebooks Nutter CI CD pipeline

[Nick287]

Type of PR

• Documentation changes
• Code changes
• CI-CD changes

Purpose

• add a sample for show how to use Nutter test databricks Multi-notebooks by a CI/CD pipeline.
• merge code with Yuheng PR

Does this introduce a breaking change? If yes, details on what can break

NO

Author pre-publish checklist

• [ ] Added test to prove my fix is effective or new feature works
• [ ] No PII in logs
• [ ] Made corresponding changes to the documentation

Validation steps

• Test according to the README file
• https://dev.azure.com/OneCSEWeek/DatabricksOps/_build/results?buildId=373&view=logs&j=12f1170f-54f2-53f3-20dd-22fc7dff55f9
• https://dev.azure.com/OneCSEWeek/DatabricksOps/_build/results?buildId=374&view=logs&j=6ddacac5-a913-548a-4942-844bcc54dbef

Issues Closed or Referenced

• Closes #333
• References #333