Missing atom docs

[amirparsadd]

Describe the bug

Okay so i believe atoms need a dedicated docs page, describing what are they and how they compare with state

Steps to Reproduce the Bug or Issue

1. Go to the docs
2. Look for atom docs
3. See that theres only an example without any docs

Expected behavior

I expected more documentation about this API

Screenshots or Videos

No response

Platform

• OS: [e.g. macOS, Windows, Linux]
• Browser: [e.g. Chrome, Safari, Firefox]
• Version: [e.g. 91.1]

Additional context

No response