* lines 199, 355

* alphabetize added language courses

Our linter had not been looking at these languages

* fix books files

* casts and more

* added Bangla courses of C and C++

* added three Bangla courses

* tried to fix the alphabetical order

* Fix pc assembly language url

* Move to direct url

* Revert "Move to direct url"

This reverts commit 88a3f60d6251451bd6de9985fc523d107a0700d1.

* Move to direct url

* Add file format

* Added 30 Days Of Vue Book

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

* French Book on R for sociology

* alphabetic order

* spacing

* 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 Polish books

* Switch some books to courses

* Fix alphabetical ordering in courses

* Add Architecture Patterns with Python book

* Update to keep alphabetical order 

Following suggestion

* docs: Sync contents with en version HOWTO.md

* docs: Lint words to zh-TW

* docs: Sync contents with en version of CONTRIBUTING.md

* docs: Lint words to zh-TW

* Update Some courses

* Fix readirect links

* Update Linespace

* Fix Rocketseat description

* Alphabetic order

* 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.

* Added the Artificial Intelligence section

* Added an empty line on top

* Added more empty lines!

* 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

* 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.

* refactor(howto): optimize chinese translation

* fix: fix linter error

* Update free-programming-books.md

* Update free-programming-books.md

* Update free-programming-books.md

* Update free-programming-books.md

Fixed broken links for following books in C++ section:
* Hands-On System Programming with C++
* How to make an Operating System