docs(README): update correct info about React

[atoughman]

No Issue

Changes

• From Google, I found that React is a JavaScript Library, not a framework. Hence I updated it in the doc.

Screenshots

• Reference Image

• Modification Image

Author Checklist

• [ ] Ensure you provide a DCO sign-off for your commits using the --signoff option of git commit.
• [ ] Vital features and changes captured in unit and/or integration tests
• [ ] Commits messages follow AP format
• [ ] Extend the documentation, if necessary
• [ ] Merging to master from fork:branchname
• [ ] Manual accessibility test performed
  • [ ] Keyboard-only access, including forms
  • [ ] Contrast at least WCAG Level A
  • [ ] Appropriate labels, alt text, and instructions

[atoughman]

@DianaLease @jeromesimeon can you please review this.