#2473 added Learn Ruby Today (#2477)

* #2473 added Learn Ruby Today

* added author attribution

added author attribution to Ruby books starting with Learn

* corrected title

change Learn Ruby Today to Learn Ruby First

* uniform style for author names in Ruby list

free-programming-books.md

@@ -2010,8 +2010,9 @@ For resources on Angular, Backbone, D3, Dojo, Ember, Express, jQuery, Knockout,
 * [I Love Ruby](https://mindaslab.github.io/I-Love-Ruby/)
 * [Introduction to Programming with Ruby](https://launchschool.com/books/ruby) - Launch School
 * [Just Enough Ruby to Get By](http://jasonkim.ca/projects/just_enough_ruby_to_get_by/)
-* [Learn Ruby the hard way](http://learnrubythehardway.org/book/)
-* [Learn to Program, by Chris Pine](http://pine.fm/LearnToProgram/)
+* [Learn Ruby First](https://www.learnruby.today) - Frederick John
+* [Learn Ruby the Hard Way](http://learnrubythehardway.org/book/) - Zed Shaw
+* [Learn to Program](http://pine.fm/LearnToProgram/) - Chris Pine
 * [Mr. Neighborly's Humble Little Ruby Book](http://www.humblelittlerubybook.com)
 * [Object Oriented Programming with Ruby](https://launchschool.com/books/oo_ruby) - Launch School
 * [Practicing Ruby](https://github.com/elm-city-craftworks/practicing-ruby-manuscripts)