Add The Concise TypeScript Book

[gibbok]

What does this PR do?

Add resource

IMPORTANT

• Read the contributing guidelines.
• This is not a revision of a previously submitted PR.

For resources

Description

Adds The Concise TypeScript Book to the English TypeScript book list.

Why is this valuable (or not)?

It is a concise TypeScript reference that covers fundamentals through advanced language features. The project is actively maintained and was recently updated for TypeScript 7.

How do we know it's really free?

The complete book is available to read in the linked public GitHub repository without registration. PDF and EPUB downloads are also provided there, and the content is licensed under CC BY 4.0.

For book lists, is it a book? For course lists, is it a course? etc.

It describes itself as a book and is available in HTML, PDF, and EPUB formats.

Checklist:

• Searched the repository and open pull requests for duplicates immediately before opening this PR.
• Included the author and formats.
• Put the entry in alphabetical order with the repository's spacing.
• Added the verified CC BY license indication.
• Used an informative name for this pull request.

Thank you for maintaining this collection. Please let me know if you would prefer any change to the entry, and no worries if it is not a fit for the list.

[eshellman]

Thanks, and welcome to free-programming-books!