Generating different level of logs in cloud function

[Satendra-SR]

#337

Please complete the following steps and check these boxes before filing your PR:

Types of changes

• Bug fix (a change which fixes an issue)
• New feature (a change which adds functionality)

Short description of what this resolves:

Why these change required? What problem does it solve?

• Added google-cloud-logging in requirement.txt to ensure that the package will be installed in the production environment.
• Added log_client.setup_logging() to get log messages generated by the Google Cloud Client Library for Python sent to the appropriate log in the Google Cloud Console, and allows to see any error messages or warnings generated by your code or the library itself.

Checklist:

• I have performed a self-review of my own code.
• The code follows the style guidelines of this project.
• The code changes are passing the CI checks
• I have documented my code wherever required.
• The changes requires a change to the documentation.
• I have updated the documentation based on the my changes.

[GauravGusain98]

LGTM