* correct bengali language code

* fix language code, replace spanish links with english

* lint

* greek language code is el not gr

* Adds "Networking" category and IPv6 course

Adds "Networking" category and IPv6 course from NIC.br

* Fixes number of blank lines

Fixes number of blank lines

Adds "Learn Git with Bitbucket Cloud"

* Remove link

* Add new link "ScalaによるWebアプリケーション開発"

* fix alphabetical ordering

by - Pepcoding

* Added django and flask tutorial in hindi

* Added Django and Flask section entry at TOC index

In this Kotlin course, user will get familiarized with the language syntax, concepts, and libraries, as well as with the basics of OOP.

* Introduction To Python Programming

* Update courses/free-courses-en.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* added the solidity programming language for writing smart contracts in Ethereum

* updated the spaces between the previous and the next sections

* Added few more resources for solidity development which includes step by step guide

* Fixed the alphabetical order

* removed the specific version based on the review comment

* removed the course in the solidity section to have it just books and guides

* add C++ Playground

* Remove trailing slash

* Add: Indonesia React Ebooks

* Add: Indonesia React JS Ebook

* Add: React JS Ebooks

* add: React JS Ebook (Indonesia)

* add: React JS untuk Pemula Ebook

* Update problem-sets-competitive-programming.md

* Update problem-sets-competitive-programming.md

* Update problem-sets-competitive-programming.md

* add a korean book links

* lint checked warning point fix

* lint checked warning point fix

* TOC fix

* TOC fix

* TOC fix

* add a python guide

* Alphabetical fix

* Update books/free-programming-books-ko.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* empty index remove
Co-authored-by: Nhedykim <mzchedykim@lgupluspartners.co.kr>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Added Remix IDE to the Playgrounds file

A powerful Browser IDE for playing around with Solidity smart contracts!

* Update more/free-programming-playgrounds.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* whitespace
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* spaces
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NEric Hellman <eric@hellman.net>

* hacktoberfest Adding a new free Indonesian laravel e-book

* hacktoberfest Adding a new free Indonesian laravel e-book

* hacktoberfest Adding a new free Indonesian yii e-book

* hacktoberfest Adding a new free Indonesian php e-book

* hacktoberfest Adding a new free Indonesian php e-book

* hacktoberfest Adding a Author and eBook Type

* hacktoberfest Adding a Author and eBook Type

* fix author formatting
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* fix author formatting
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* fix author formatting
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* remove extra line

* remove unused index items

* moved links to PHP
Co-authored-by: NEric Hellman <eric@hellman.net>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* correct bengali language code

* fix language code, replace spanish links with english

* lint

Adds "Uncomplicating Kubernetes" by Jeferson Fernando

* add reference to pt-BR on all CONTRIBUTING files
Signed-off-by: NRicardo H H Kojo <ricardokojo7@gmail.com>

* add CONTRIBUTING-pt_BR.md
Signed-off-by: NRicardo H H Kojo <ricardo.kojo.dev@gmail.com>

* Add free Javascript course in Spanish

* Update free-courses-es.md

Fixes to more pleasant form

* add react in patterns from Krasimir Tsonev

* delete ('web') in react in patterns book

* Update free-programming-books-ru.md

Translated one phrase.

* Update free-programming-books-ru.md

* geeksforgeeks.com is website, But their problem solving protal is https://practice.geeksforgeeks.org/

* Removed '/' from previous commit

* Added lisp books

* Added format for lisp books

* Added access note

* add kubernetes academy course

* fix new line after kubernetes academy course

* fix kubernetes academy course format

* fix kubernetes academy course with specific course

Fixed a mistake

Added Scapy cheatsheet

* Add wordpress course [PT-BR]

* Change order

Added polish version of CODE_OF_CONDUCT.md

* Added new resource for R language

* Update free-programming-books-langs.md

Added polish version of HOWTO.md file