Feature: Add a chapter on open source projects for beginners

[BekahHW]

Suggested solution

• Introduce beginner-friendly projects, lowering barriers to entry, and encourage contributing to pizza-verse.
• We can also use this for inspiration https://dev.to/opensauced/how-to-find-open-source-projects-to-contribute-to-5eho

[CBID2]

I can help with this @BekahHW. I know some beginner-friendly projects.