[Edit] Accessibility: Add Practicality and Challenges

[AnamolR]

Description

This PR updates the existing Accessibility entry in the uiux/concepts/design-methodologies/terms section to include two new content sections: What Accessibility Looks Like in Practice and Challenges Designers Should Consider.

Markdown file: accessibility.md
The additions enhance the entry by offering real-world implementation guidance and highlighting common accessibility challenges in UX design. These updates strengthen the practical and inclusive design value of the content for learners and practitioners.

Issues Solved

Closes #6603

Type of Change

Editing an existing entry (fixing a typo, bug, issues, etc)

Checklist

• All writings are my own.
• My edits follow the Codecademy Docs style guide.
• My changes generate no new warnings.
• I have performed a self-review of my own writing and code.
• I have checked the updated content and corrected any misspellings.
• I have made corresponding changes to the documentation if needed.
• I have confirmed my changes are not being pushed from my forked main branch.
• I have confirmed that I'm pushing from a new branch named after the changes I'm making.
• I have linked any issues that are relevant to this PR in the Issues Solved section.

[mamtawardhani]

Hey @AnamolR, at Codecademy we ask the contributors to raise a PR that traces back to an issue. You can find the issues here. I see that you've raised some PRs that don't really trace back to any issue. In this case, we will have a look at them and let you know within a few days. Please don't close the PRs :)

For now, you can check the open issues, if anything interests you - please comment "claim" on it. Once you have been assigned to that issue, you can raise a PR. Thank you! 😄

For visibility @avdhoottt @Radhika-okhade

[AnamolR]

Hi @mamtawardhani, thank you for responding 🙂
Would it be helpful if I created issues for each of the PR that I raised? Currently, there's only one issue that's linked to my PR. My previous PRs were merged without an issue being created so that didn't occur to me. Would be happy to do that.
Thank you 🙂

[mamtawardhani]

Hey @AnamolR, I guess you can create issues, but once let us ask @Radhika-okhade.

@Radhika-okhade please let us know a solution to this? Should @AnamolR be raising issues or should we raise those for him?

[Radhika-okhade]

Hey! @AnamolR Yes you can create issues for the PR's that you have raised.

[AnamolR]

Great, will be on it 🙌. Thank you both @mamtawardhani @Radhika-okhade 🙂

[mamtawardhani]

Looks good for a second round of review! 🚀

[avdhoottt]

LGTM!!

[github-actions]

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