Adds README.adoc
Adds README.adoc

Adds README.adoc with information on how to use Arquillian Cube.
spolti/arquillian-cube,lordofthejars/arquillian-cube,lordofthejars/arquillian-cube,AndyGee/arquillian-cube,lordofthejars/arquillian-cube,AndyGee/arquillian-cube,mikesir87/arquillian-cube,spolti/arquillian-cube,mikesir87/arquillian-cube,mikesir87/arquillian-cube,AndyGee/arquillian-cube,spolti/arquillian-cube