Nature of issue?

• Found a bug
• Existing feature enhancement
• New feature request

Feature enhancement details:

Move CSS and HTML structure for accessible outputs from https://github.com/processing/p5.js-web-editor/blob/master/client/modules/IDE/components/PreviewFrame.jsx to https://github.com/MathuraMG/p5-accessibility accessibility library.

This issue is also here: processing/p5.accessibility#12

@MathuraMG