Add LICENSE-2.0.txt to make sure license is clear at the repo level for extra library
Add LICENSE-2.0.txt to make sure license is clear at the repo level for extra library

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)

enyojs/extra,MAMISHO/extra,enyojs/extra,MAMISHO/extra