Fix Broken examples for textOutput() and gridOutput() and Enhance documentation for textOutput() and gridOutput() methods

[hxrshxz]

Fixes #6992

Changes:

Before

Screencast.from.2025-10-06.21-48-30.mp4

Screencast.from.2025-10-06.22-32-44.mp4

After

Screencast.from.2025-10-06.21-50-31.mp4

Screencast.from.2025-10-06.22-34-55.mp4

• Updated JSDoc documentation for textOutput() and gridOutput() in src/accessibility/outputs.js to clearly document known limitations.
• Fixed examples https://p5js.org/reference/p5/textOutput/ 3rd and 4th (suggested by @perminder-17 )that were previously not working

PR Checklist

• npm run lint passes
• Inline reference is included / updated
• Unit tests are included / updated

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[Copilot]

Pull Request Overview

This PR enhances the JSDoc documentation for the textOutput() and gridOutput() accessibility methods by adding comprehensive information about their known limitations and recommending alternative approaches.

• Added detailed documentation of limitations for both methods (English-only descriptions, WEBGL incompatibility, shape detection issues)
• Recommended describe() and describeElement() as more accurate alternatives
• Improved developer awareness of when these methods may not work as expected

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[perminder-17]

Hi, I think the points you mentioned are technically very correct but I think it sounds little odd as compared to other reference. Please keep a neutral, helpful tone for docs.