* 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

Updated one of the URL's to a working one and removed a book which is no longer accessible (at least, couldn't find a legit source).

* #5204 Correct URL, and add direct PDF links to Competitive Programming books.

* Add author to Competitive Programming.

* fixed broken link free-programming-books-en.md

* fixed link
Co-authored-by: NEric Hellman <eric@hellman.net>

* Add data visualization course 2020

* Sorted and removed YouTube tags

Add new Russian Ruby course

* reorganize files

1. make it easier to find files
2. reduce scrolling to get to README on main view of repo

* remove tr.txt again

* test

* apparently 1.2.4 is broken

https://github.com/trilom/file-changes-action/issues/102

* remove noop

* fix language code for burmese

* Update free-programming-books-my.md

* add algorithm books

* add test book

* fix mentioned issues

* do adjustements

* add PDF tag

* alphabetize

* remove author link, trailing slash

* line spacing
Co-authored-by: NEric Hellman <eric@hellman.net>

* Agregando The Dojo MX Screencast

* Updating The Dojo MX to playlist

* Adding details about The Dojo MX livestreams

* Fixing The Dojo MX entry

I fixed the name, the URL, and the entry in the document for The Dojo MX.

* Placing entry in correct order

Placing entry "Aprende de los expertos en The Dojo MX" in the right place alphabetically.

* space

* line spapcing
Co-authored-by: NEric Hellman <eric@hellman.net>

* Added Turkish Podcast with free-podcasts-screencasts-tr.md

* added some turkish podcasts to free-podcasts-screencasts-tr.md

* put list alphabetically

* put list alphabetically last time

* trailing slashes
Co-authored-by: NEric Hellman <eric@hellman.net>

* add curso de python PT-br

* alphabetize

* reformat
Co-authored-by: NEric Hellman <eric@hellman.net>

Co-authored-by: NEric Hellman <eric@hellman.net>

Removal of "Learn Python in Y Minutes" from free-programming-books.md and addition to free-programming-cheatsheets.md
Co-authored-by: NEric Hellman <eric@hellman.net>

* update links from #4587

* remove author links - we don't do those

* fix links

* fix remaining links