[Beginner] Chapter 5.3

[nvdaes]

Which challenge are you working on?

Challenge 3: Complete Welcome Guide

Which file will you edit?

docs/welcome.md

What do you plan to change?

I plan to add an explanation about backgrounds and skills of people who can contribute open source, with a particular mention to AT users.

Before you begin

• I have read the challenge description in CHALLENGES.md
• I understand how to create a branch and open a pull request
• No one else has claimed this specific issue (I checked open issues)

[github-actions]

Issue Resolved ✅

Great work @nvdaes! Your PR #2300 has been merged.

Next steps:

1. Celebrate your achievement! 🎉
2. Check the Learning Paths for your next challenge
3. Claim the next issue with a comment