Setup google tag manager for nighthawk website

[ayushthe1]

Description

This PR fixes #

Notes for Reviewers

Signed commits

• [x] Yes, I signed my commits.

[welcome[bot]]

Yay, your first pull request! :thumbsup: A contributor will be by to give feedback soon. In the meantime, please review the Layer5 Community Welcome Guide and sure to join the community Slack. Be sure to double-check that you have signed your commits. Here are instructions for making signing an implicit activity while peforming a commit.

[netlify[bot]]

✅ Website preview ready!

Name	Link
🔨 Latest commit	040ae4fe6cce87ea45f477d1a0d3959e82db6d62
🔍 Latest deploy log	https://app.netlify.com/sites/getnighthawk/deploys/64b2be680c1d1000085f8bb9
😎 Deploy Preview	https://deploy-preview-318--getnighthawk.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[Udit-takkar]

@ayushthe1 can you check why lint is failling?

[welcome[bot]]

Thanks for your contribution to the Layer5 community! :tada: