Update contributing doc to include details on color themes, locale-based fonts, right-to-left support, and Ares support. DCO-1.1-Signed-Off-By: Kevin Schaaf (kevin.schaaf@lge.com)
Update contributing doc to include details on color themes, locale-based fonts, right-to-left support, and Ares support.
DCO-1.1-Signed-Off-By: Kevin Schaaf (kevin.schaaf@lge.com)

mcanthony/moonstone,mcanthony/moonstone,enyojs/moonstone,mcanthony/moonstone