chore: added sonarcloud integration

[BrimmingDev]

Adds SonarCloud integration

Analysis on fork branch can be found at this link.

**Note: This PR will change the name of the project in SonarCloud from twilio to twilio-java once merged into main.

Checklist

• I acknowledge that all my contributions will be made under the project's license
• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the Contribution Guidelines and my PR follows them
• I have titled the PR appropriately
• I have updated my branch with the main branch
• I have added tests that prove my fix is effective or that my feature works
• I have added the necessary documentation about the functionality in the appropriate .md file
• I have added inline documentation to the code I modified

If you have questions, please file a support ticket, or create a GitHub Issue in this repository.

[childish-sambino]

LGTM, aside from the .DS_Store file.