Adding Git & Github tutorial to the English (screencast) (#4354)

* Add Git & Github tutorial (screencast)

* Correcting number of blank lines and alphabetical order

* Adding new alphabetical order

* Improving order in alphabetical

* Solving issue with index (replacing with asterisks)

* Removing extra character to  C#

* Adding author to the resource

* Adding alphabetical order

free-podcasts-screencasts-en.md

@@ -101,6 +101,7 @@
 ### Git
 
 * [GitMinutes](http://www.gitminutes.com) (podcast)
+* [Jhan Carlos Silva - Git and Github Tutorial](https://www.youtube.com/watch?v=NPRUsCcZwJ4) (screencast)
 * [The Coding Train - Git and GitHub for Poets](https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZF9C0YMKuns9sLDzK6zoiV) (screencast)