Fix broken links in contributor_docs/access.md

[aleannab]

Most appropriate sub-area of p5.js?

• [ ] Accessibility
• [ ] Color
• [ ] Core/Environment/Rendering
• [ ] Data
• [ ] DOM
• [ ] Events
• [ ] Image
• [ ] IO
• [ ] Math
• [ ] Typography
• [ ] Utilities
• [ ] WebGL
• [ ] Build process
• [ ] Unit testing
• [ ] Internationalization
• [ ] Friendly errors
• [X] Other (specify if possible)

p5.js version

v1.10.0 (latest)

Web browser and version

Firefox v130.0, though would affect all.

Operating system

Windows, though would affect all.

Steps to reproduce this

Steps:

1. Go to: https://github.com/processing/p5.js/blob/main/contributor_docs/access.md
2. Click on respective links (listed in table below).
3. Get a 404 or 526 error.

Solutions:

Replace links to the suggested links below.

Source link text:	Current link:	Suggested link:
2019 Contributors Conference	https://p5js.org/community/contributors-conference-2019.html	https://p5js.org/hi/events/contributors-conference-2019/
p5.js Access Day 2022	https://p5js.org/community/p5js-access-day-2022.html	https://p5js.org/events/p5js-access-day-2022/
I am Disabled: On Identity-First Versus People-First Language	https://thebodyisnotanapology.com/magazine/i-am-disabled-on-identity-first-versus-people-first-language/	Remove citation

Note: I am not sure how to handle the "I am Disabled: On Identity-First Versus People-First Language" link. The original linked site (https://thebodyisnotanapology.com/) is non-existant. I did a quick Google search, and the page results all reference thebodyisnotapolgy.com to read more. Since the citation (below) also references another (working) article, I suggest removing the article with the broken link.

There are differing preferences between ‘person-first’ vs. ‘identity-first’ language within the disability community. Read Unpacking the debate over person-first vs. identity-first language in the autism community and I am Disabled: On Identity-First Versus People-First Language.

Let me know if the above works, and I'll submit a PR.

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