Update design guidelines with new features

[edonehoo]

Specifically want to mention the ChatBot settings "pattern".

Will also look into adding any guidelines for recently merged features, updating images, whatever else is needed.

[github-actions]

🎉 This issue has been resolved in version 2.2.0-prerelease.18 🎉

The release is available on:

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

Your semantic-release bot 📦🚀