CPP backend debugging and troubleshooting

[chauhang]

🚀 The feature

For ease of debugging and troubleshooting for the CPP backend add following:

• In the TS startup logs, add explicit log line for successful startup of CPP backend
• In the TS print environment add details for the CPP backend
• Cleanup steps for the build script
• FAQ page for troubleshooting
• Build scripts for simple example (or option to do selective build for an example only)

Motivation, pitch

To simplify the troubleshooting and debugging experience

Alternatives

No response

Additional context

No response