Set default value of NRLoggingEnabled Parameter to True

[AkhilReddyS-NR]

• Changed the default value of the Parameter NRLoggingEnabled to True
• This change eases the deployment process for customers by removing the need to manually configure logging .
• Details of testing done
  Manual Testing:
  - Manually tested the Lambda function with the loggingEnabled variable set to true.
  - Verified that logs are being forwarded to NewRelic.
  - Confirmed the function's behavior and performance with logging enabled and logging disabled.
  - Ensured no unintended behavior or issues were introduced.
  Automated Testing:
  - Executed all the test cases present in the tests folder of the repository.
  - Ensured that all tests passed successfully without any errors or failures.
• Jira story - NR-303954

[CLAassistant]

All committers have signed the CLA.

[maya-jha]

1. Can you add details of testing done.
2. Also add the Jira/github issue id.

[AkhilReddyS-NR]

1. Can you add details of testing done.
2. Also add the Jira/github issue id.

Added the details of testing and Jira Id to the desription.

[maya-jha]

Can you update README.md and remove

* To set `LOGGING_ENABLED`: `sam build ... --parameter-overrides 'ParameterKey=NRLoggingEnabled,ParameterValue=True'`
* To set `LOGGING_ENABLED`: `export LOGGING_ENABLED=True` (prior to deploy)```

[maya-jha]

lgtm.