Update links in docs

[hoonweiting]

Issue: #

What Changed

I updated the links in the rule documentation. They're currently pointing to a section in the main README that no longer exists (or rather, was renamed).

Checklist

Check the ones applicable to your change:

• [ ] Ran yarn update-all
• [ ] Tests are updated
• [x] Documentation is updated

Change Type

Indicate the type of change your pull request is:

• [ ] maintenance
• [x] documentation
• [ ] patch
• [ ] minor
• [ ] major