added link to Ruby Scripting repo

README.md

@@ -12,9 +12,10 @@ A reference guide to Linux command line, Vim and Scripting
 
 * [Linux Command Line](https://github.com/learnbyexample/Linux_command_line) - Introduction to Linux commands and Shell scripting
 * [Command Line Text Processing](https://github.com/learnbyexample/Command-line-text-processing) - From finding text to search and replace, from sorting to beautifying text and more
+* [Python Basics](https://github.com/learnbyexample/Python_Basics) - Syntax, working with Shell commands, Files, Text Processing, and more...
+* [Ruby Scripting](https://github.com/learnbyexample/Ruby_Scripting) - examples based tutorial for Ruby scripting
 * [Vim Reference](https://github.com/learnbyexample/vim_reference) - Vim reference guide for beginner to intermediate users
 * [Perl Introduction](https://github.com/learnbyexample/Perl_intro) - Introductory course for Perl 5 through examples, geared towards VLSI engineers
-* [Python Basics](https://github.com/learnbyexample/Python_Basics) - Syntax, working with Shell commands, Files, Text Processing, and more...
 
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