Added new transpilers section and links.

[carlosfernandezcabrero]

Checklist:

• [x] I've read and understood Contributing Guidelines.
• [x] I've added the new resource at the end of its section.
• [x] This resource is out there for a while, and actively maintained.
• [x] This resource is popular enough and has at least a few hundred stars on GitHub.

Hi!

Here's a PR to add a section for Javascript transpilers without ECMAScript dependency. I added one of the best transpilers supported by Vercel, and links to related lists.