Added Code Review section in CONTRIBUTING.md

[umeshgmrl]

Fixes

Checklist

• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the [Contribution Guide] and my PR follows them.
• I updated my branch with the master branch.
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation about the functionality in the appropriate .md file
• I have added in line documentation to the code I modified

Short description of what this PR does:

If you have questions, please send an email to Sendgrid, or file a Github Issue in this repository.

[SendGridDX]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

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[mbernier]

@umeshgmrl

We can’t merge your PR without the CLA being signed.

[ ] Sign the CLA before November 3rd
[ ] Tag @mbernier and @thinkingserious to let us know it is signed

Then we will comment with a link to get your shirt!

[mbernier]

Hello

[umeshgmrl]

@mbernier signed the CLA

[thinkingserious]

Hello @umeshgmrl,

It looks like the account that needs to sign the CLA is bhumesh. Could you please sign with that account?

Thank you!

With Best Regards,

Elmer

[childish-sambino]

Closing all open issues and PRs. This repo is no longer maintained. Please use https://github.com/sendgrid/sendgrid-nodejs/tree/master/packages/client instead.