Add example with Dashboard recording and GH App checks

[bahmutov]

From https://twitter.com/altryne/status/1245083315792535552

1. add cypress to run as a netlify build plugin
2. Add the recording to of cypress dashboard to see recordings
3. connect the same repo to github via the cypress app
4. every PR push, will trigget a netlify build, which will post test results to GH PR?

[bahmutov]

🎉 This issue has been resolved in version 1.3.3 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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