* Update free-programming-books-langs.md

* rearranged it in alphabetical order

* Update free-programming-books-langs.md

Updated links for the fciencias domain that were broken

* Added HTML5 and CSS3 Fundamentals course

* Update free-courses-en.md

* add React tutorial for beginners in Hindi

* order

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Added an awesome youtube video that explains self supervised learning in computer vision

* Update free-courses-en.md

updated order

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* Update free-courses-en.md

Update playlist url

* Added free-programming-playgrounds for Solidity

* Added free-programming-interactive-tutorials-en for Solidity

* Update free-programming-interactive-tutorials-en.md

* Added free-programming-cheatsheets for Solidity

* Added free-courses-en for Blockchain

* Update free-courses-en.md

* Update free-courses-en.md

* Update free-courses-en.md

* Update free-programming-cheatsheets.md

* Update free-programming-cheatsheets.md

* Update free-programming-cheatsheets.md

* Update free-courses-en.md

* Update free-programming-playgrounds.md

* Update free-programming-cheatsheets.md

* Update free-programming-interactive-tutorials-en.md

* Update free-programming-playgrounds.md

* Recover deleted Manoj Ramesh resource
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* Update more/free-programming-playgrounds.md
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* add creator
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* Create CONTRIBUTING-kr.md

* Update CONTRIBUTING-kr.md

* Update CONTRIBUTING-kr.md

check_urls= CONTRIBUTING-kr.md

* Rename CONTRIBUTING-kr.md to CONTRIBUTING-ko.md

* Remove link

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

* fix alphabetical ordering

* fix link

* R Basics - R Programming Language Introduction

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* new farsi/persian linux course added

* fix ordering

* correct bengali language code

* fix language code, replace spanish links with english

* lint

* greek language code is el not gr

* language code for Korean is ko not kr

* feat: add course fullstack javascript bootcamp by midudev

* fix: course name

* Update courses/free-courses-es.md
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* added another javascript course

added another javascript persian taught course to free-course-fa_IR

* updated url path to playlist 

changed single video url to playlist url

* Adding some links to books

Adding some links to books and websites that provide programming tutorial books in Indonesian

* fix order
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* DSA course of kunal kushwaha added

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* Reordering done
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* Update free-podcasts-screencasts-pl.md

Added link to polish podcast about cybersecurity

* Update casts/free-podcasts-screencasts-pl.md
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* Add Nuxt.js Cheatsheet

* Sort nuxt.js cheatsheet alphabetically

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* added course learning material from course category in english

* updated checks

* updated checks-2

* updated checks-3

* updated checks-5

* updated checks-6

* updated checks-4

* updated to playlists

* updated angular to playlists

* removed mooc-class central

* added functional light js book

* fix javascript dictation

* fix ordering alphabet

* fix ordering with swaping

* remove functional light js book

* 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

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* 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
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* empty index remove
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* Added Remix IDE to the Playgrounds file

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

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* whitespace
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* spaces
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* 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
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* fix author formatting
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* fix author formatting
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* remove extra line

* remove unused index items

* moved links to PHP
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* correct bengali language code

* fix language code, replace spanish links with english

* lint