Add Practicing Ruby as a resource

Although not technically a book, these resources on how Ruby works is very detailed and a good way to dig deeper into Ruby.

Conflicts:
	free-programming-books.md

fixes #947 thank you @hanleilei

+ Basic JavaScript for the impatient programmer

Removed false link and sorted things..

A Visual Git Reference

Sorted Courses section & added two courses in interactive tutorial

Removed interactive tutorial from javascript..

no need for them, too.

https://github.com/blog/1841-nested-task-lists

[es] Adding an algorithm book

Added 'Build Web Apps with Golang' to Go section

Adds in my two books on JavaScript and Angular.