docs: sort the list by alphabetical order

[mkubdev]

🛠️ Fixes Issue

Closes #32

👨‍💻 Changes proposed

The free-Web3-resources list is now sorted by alphabetical order.

✔️ Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [x] This PR does not contain plagiarized content.
• [x] The title of my pull request is a short description of the requested changes.

📄 Note to reviewers

Hi! 👋🏻