Added ruby tag to code blocks in Readme.
Added ruby tag to code blocks in Readme.

vgvinay2/Royce,MartinJNash/Royce,grzlus/Royce,vgvinay2/Royce,grzlus/Royce,MartinJNash/Royce,grzlus/Royce,vgvinay2/Royce,MartinJNash/Royce