feature: notify DatoCMS of Cloudflare deploy status

[jbmoelker]

Changes

Associated issue

Resolves #12

How to test

Custom deploy hook with payload { "branch": "feat/deploy-status" } in DatoCMS:

"Notified DatoCMS of deploy status: success" in Cloudflare Pages build logs:

"Build completed with success" in DatoCMS deployment logs

Checklist

• [x] I have performed a self-review of my own code
• [x] I have made sure that my PR is easy to review (not too big, includes comments)
• I have added/updated tests to prove that my feature works (if not possible please explain why)
• [z] I have made changes to the README and if the change affects the project setup (npm commands changed, new service added, environmental variable added)
• I have added a decision log entry if the change affects the architecture or changes a significant technology
• [x] I have notified a reviewer

[cloudflare-workers-and-pages[bot]]

Deploying with    Cloudflare Pages

Latest commit:	b82117f
Status:	✅  Deploy successful!
Preview URL:	https://e60c3fe9.head-start.pages.dev
Branch Preview URL:	https://feat-deploy-status.head-start.pages.dev

View logs