chore(eslint): enable react/forbid-dom-props rule

[huyenltnguyen]

Note: The color-system component violates this rule so it needs to be updated, but its story needs to be resurrected first in order to test the changes (#66).

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Checklist:

• I have read freeCodeCamp's contribution guidelines.
• My pull request has a descriptive title (not a vague title like Update index.md)

This PR enables the react/forbid-dom-props rule to disallow inline styles in HTML elements.

We already have two ways to style an element: using a CSS stylesheet and using Tailwind classes, so there is no need for inline styles. Inline styles also have high specificity and they will override the rules in our stylesheets (except for rules with !important), so they will make debugging CSS more challenging.

Ref: https://github.com/jsx-eslint/eslint-plugin-react/blob/master/docs/rules/forbid-dom-props.md

Screenshot

Screenshot of the rule in action: