Link was broken and now it's updated.

* lines 199, 355

* 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

* 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

* free-programming-book-spanish

* Update free-programming-books-es.md
Co-authored-by: Nkadhirash <kadhirash@gmail.com>
Co-authored-by: Nkadhirash <kadhirash@gmail.com>

* add some golang books in spanish

* remove redundant part of the url
Co-authored-by: NSeth <seth@elypia.org>

* Add authors and resource type
Co-authored-by: NSeth <seth@elypia.org>

* Add two new books: React and Scratch

* Add books.

* Added two Spanish JS books

Apuntes de Javascript II and Apuntes de Javascript III

* Revert "Added two Spanish JS books"

This reverts commit 1562767ca06037218b73a2d1d53277a65d37c616.

* Added Descubre React book

* Corrected alphabetical order

* Added leanpub account warning

* Follow up #3357

Replace the Dead C++ book link using web.archive.org.

* Follow up #3429

Fix lint error.

* Follow up #3451

All resources except the Java book is already added.

* Follow up #3510

Add a Swift youtube playlist.

* Fix alphabetical order in ja and th

* Fix PR base on comments

* Remove dead link (user web directory no longer exists)

* Remove dead link (file deleted)

* Remove dead link (file deleted)

* Remove dead link (domain non-existent)

* Correct number or blank lines between sections

* Remove missing sections from contents

* Added a podcast and an spanish resource

* fixed order and URL

* Delete dead links

* Update free-programming-books-hu.md

* Update free-programming-books-es.md

* Update free-programming-books-ja.md

* Update free-programming-books-pl.md
Co-authored-by: NLukas Kleybolte <lukas.kleybolte@hs-augsburg.de>

Signed-off-by: NFrancisco Javier Llanquipichun Garcia <francisco.llanquipichun@gmail.com>

Signed-off-by: NFrancisco Javier Llanquipichun Garcia <francisco.llanquipichun@gmail.com>

Co-authored-by: NSinSentido <sinsentido@localhost.localdomain>

* Add Redis spanish book

* Add React spanish book

* Add GoLang spanish book

* Fix fpb-lint warnings

* Include author names

* Add "Symfony 5: The Fast Track" book (en)

* Add "Symfony 5: The Fast Track" book (es)

* Add "Symfony 5: The Fast Track" book (de)

* Add "Symfony 5: The Fast Track" book (ar)

* Add "Symfony 5: The Fast Track" book (fa)

* Add "Symfony 5: The Fast Track" book (ja)

* Add "Symfony 5: The Fast Track" book (ru)

* Add "Symfony 5: The Fast Track" book (it)

* Add "Symfony 5: The Fast Track" book (nl)

* Add "Symfony 5: The Fast Track" book (pl)

* Add "Symfony 5: The Fast Track" book (pt_BR)

* Add "Symfony 5: The Fast Track" book (ro)

* Add "Symfony 5: The Fast Track" book (zh_CN)

* Add "Symfony 5: The Fast Track" book (fr)

* Remove redundant line breaks

I made some orthography fixes

* Update free-programming-books-es.md

Add Piensa en Perl 6 (Spanish translation of Think Perl 6)

* Update free-programming-books.md

Add another Perl 6 book. Nowadays Perl 6 is also known as Raku (https://marketing.perl6.org/id/1541379592/pdf_digital) and the name Rakudo refers to the only major Perl 6 compiler at the moment. Also update status of 'Using Perl 6'.

* Update free-programming-books.md

Alphabetize list

* add space to satisfy linter

* Update free-programming-books-es.md

* Spanish SVN book

* Add svn to index

* Add svn to index x2

* Try to fix this

* Try to fix this x2

* wtf

* O'RLY?

* Add new book of React and Redux (Spanish)

* Fix Lint

* First update

Title Algorítmos y Estructuras de Datos

* Fixed latin accute letters

We had a variety of ways to denote Wikibooks. It seemed appropriate to add "wikibooks" as the "author" and remove "wikibook" from the title, since the books don't use "wikibook" in their titles.

* Adding Harvard GSE Scratch Book

* Adding foreign language for scratch guide from harvard graduate school of edu

* linting

* remove broken links

* remove broken links

* remove broken links

* fix broken links

* fix broken links

* fix broken links

* fix broken links

* remove broken links

* remove broken links

* remove broken links

* remove broken links

* remove broken links

* remove broken links

* remove broken links

* remove broken links

* remove broken links

* remove broken links

* replace dead link

* Add list of courses in Spanish.

* Update readme to add list of courses in Spanish.

* Correct titles in the list.

* Update free-programming-books-es.

Update, add and clean links. add books, add authors and correct types of
documents. Delete paid links or broken.

* Correct cli errors.

* Correct Cli Errors - 2

* Fix alphabetical ordering.

* Fix alphabetical order and a some link and angle bracket.

free-courses-es.md: Correction of links and anchors.
free-programming-books-es.md: Alphabetical ordering.

* Fix 2635#pullrequestreview-76815495

@eshellman If I finish with updating the documents in Spanish  #2635
before Black Friday.
You could give me a new pc for me work?   👅 Of Christmas
🎁...  🤐 🤐       Ok, joke..
sorry.

I m going to work 💪  ☺ I need to do it, to feel satisfied
with myself 😎

* implement #2357

* misc cleanup

* Replace homepage with GitHub repository link

problem-sets-competitive-programming.md: Replace homepage
link of problembook with github repository link which contains
downloadable pdf links.

* Remove broken links

Remove broken links and update available links from
web.archive.org.

* Update broken link with updated link.

Update the description for the updated link.

* Update broken links with links from web.archive.org

Remove dead links.

* Restore path to original link instead of web.archive.org

The link seems to be working fine. It was not loading
on my network, probably due to regional restrictions.

* Remove github link which is no longer maintained.

Github link consisted of list of Big Data resources.
The repository has been deleted by the user.
Hence deleting the entry.

* Add a book to JavaScript section (Spanish)

Spanish: free-programming-books-es.md

### JavaScript
- [JavaScript, ¡Inspírate!](https://github.com/UlisesGascon/javascript-inspirate)

* New order

New order

* Update broken links

* Small fix

* Update broken link

* Remove problematic links

* Fix according to comments

* Formatting

El enlace del libro "El modelo relacional y el álgebra relacional" ya no funcionaba. Lo actualicé con un nuevo enlace que sí sirve.