fix emberjs link

* Fix #4099

* Remove Redundant Route in URL

* Fix #4030
Co-authored-by: Nchandan kumar <72316627+CH-ND-N@users.noreply.github.com>

* Remove Markdown Video
Co-authored-by: Nchandan kumar <72316627+CH-ND-N@users.noreply.github.com>

* Added Ruby on Rails Book

Co-authored by: 17122 <72670008+17122@users.noreply.github.com>

* Fix line breaks.

* Fixed YouTube URL

Co-authored-by: NAnil <incelefon@gmail.com>
Co-authored-by: NAnil <incelefon@gmail.com>

Co-authored-by: Nlearn-everyday-with-me <60598640+learn-everyday-with-me@users.noreply.github.com>
Co-authored-by: Nlearn-everyday-with-me <60598640+learn-everyday-with-me@users.noreply.github.com>

* fix-3892

* Alphabetical order.

* fix-3877

* Corrected location, and removed duplicate link.

* added machine learning free book for begineers

IBM machine learning for beginners

* Update free-programming-books.md

added authur name as suggested to machine learning book

* add nim books

* edit title per comment

* Update problem-sets-competitive-programming.md

* Update problem-sets-competitive-programming.md

* Update problem-sets-competitive-programming.md

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

* Added Git/Github book

* alphabetize

* resolve a conflict - resource moved to cheatsheets

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

* Adding Java Desktop by Ifnu Bima

Adding Java Desktop by Ifnu Bima

* fix link, alphabetize

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

* Added Web Almanac

Added Web Almanac to Web Development

* Added Web Almanac

Added Web Almanac to Misc Section

* #4966 Add new JS tutorial

* Remove (youtube) and add list URL

* Add 10 Keys to Great Landing Pages

* Add PDF Indication

* Add and fix CP resources, check_urls=problem-sets-competitive-programming.md

* Remove tech delight link since not CP

* Add TRPL(The Book), check_urls=free-programming-books-ko.md

* Add The Rust Programming Language.
.

* Fix Lint Rust, check_urls=free-programming-books-ko.md

* Add Author, check_urls=free-programming-books-ko.md

* Add Format, check_urls=free-programming-books-ko.md

* Add networking section and resources

* Add a security book

* Create Open Source Ecosystem section and add new/exist links

* Add garbage collection section

* Adds the 'JavaScript Testing Fundamentals' course

Adds the free 'JavaScript Testing Fundamentals' course on JavaScript testing from https://vueschool.io

* Fix build issue.

* Fix alphabetization

* Migrates the JavaScript Testing Course to Vue.js 

Migrates the JavaScript Testing Course to Vue.js as the course uses Vue.js as a base for the testing course.

* Add Lua, MATLAB, and Ruby courses, check_urls=free-courses-en.md

* Fix alphabetical ordering of Lua course

* Add PHP and Ruby resources, check_urls=free-programming-books-id.md free-programming-books.md

* Fix alphabetical ordering