* Added more Python resources, updated links/info

* Corrected sorting order

* Removed courses from book list

* Add raytracing in one weekend

* Add html to entry.

* Remove trailing slash

* Add App Inventor category and book

* Fix header level

* Add additional App Inventor book

check_urls=free-programming-books.md

* Switch link to official page for added book

check_urls=free-programming-books.md

* Update free-programming-books.md

* Update free-programming-books.md

* Add link to Go book

* Link Darker Corners of Go article instead of book

Unfortunately not free but 50$ online course :/

* Added a book.

* Changed the section for APL book.

* New Sections for .NET Core stuff

- Added 2 new sections: ASP.NET Core and .NET Core
- Added books to respective new sections, including from Microsoft Docs
- Blazor is now under ASP.NET Core Section

For issue - https://github.com/EbookFoundation/free-programming-books/issues/5326

* Fixed formatting and alphabetical ordering

* Added JavaScript Interview #35 book.

* Added email address requested, not required note.

* Add link to Node.js book

* Add link nodejs.dev book

* Add link nodejs.dev book alphabetical order

* Add link nodejs.dev book empty line

* Update title

* remove broken link

* update broken link
Co-authored-by: NSam Hsiao <samhsiao@pilottv.com.tw>

* Replace the warez link (b-ok.cc) with a web.archive.org link.

* Replace PDF version 2.1.1 with 2.2.1 for Python 2.
* Add the PDF version for Python 3.
* Add the current edition (HTML).

* Add the 2nd Edition.
* Update the 1st Edition's link to HTTPS.
* Correct the title.

* Update "How to Think Like a Computer Scientist: Learning with Python" and "Think Python"

* "How to Think Like a Computer Scientist: Learning with Python":
  * Fix obsolete links: update URI and use HTTPS.
  * Add more editions to the title.
* "Think Python":
  * It diverges from "How to Think Like a Computer Scientist: Learning with Python" with many changes. So Allen B. Downey is the single author of this title.
  * Move it up one level and add the first edition.

* Update "How to Think Like a Computer Scientist: Learning with Python" and "Think Python"

* Rearrange the links to meet the Formatting Guidelines.

* Add the 2nd Edition.
* Update the 1st Edition:
  * Replace the obsolete link with the current link.
  * Add the Interactive version link.

The book has changed its title to this.

Fix broken link (Julia book). Now it work

* adding a free book on react

* sorting

* Added 30 Days Of Vue Book

* access note for PDF
Co-authored-by: NEric Hellman <eric@hellman.net>

* Add Math Books from aimath.org

* Fix Trailing Slashes

* Fix Alphabetical Order?

* Fix Alphabetical Order

* Fixed language and categories

* Fixed language and categories for -ko.md

* Removed most PDF links from addition.

* Replace German Resource with Direct Link to PDF

* Broken links & listing removed

Broken links related to this website is removed along with its listings  (https://www.packtpub.com/)

* Updated

* Add Architecture Patterns with Python book

* Update to keep alphabetical order 

Following suggestion

* Remove dead link to "The Standard Python Library"

The link to the book "The Standard Python Library" hosted on effbot.org is dead, and I could not find another source that legally hosts that book.

* Update free-programming-books.md

The link to the book "The Standard Python Library" hosted on effbot.org is dead:

http://effbot.org/librarybook/

This change updates it to the one at archive.org.

* fix: CI linter config

* chore: lint all files

* Fix Contributing.md broken link

* Fixed broken links in free-programming-books-pt_BR.md

* Removed the broken link

There is no other link found, related to the book.

* Added vector calculus book

* Update free-programming-books.md

* Update free-programming-books.md

* Update free-programming-books.md

* Update free-programming-books.md