Added MIT license based on the MS policy
Added MIT license based on the MS policy

OfficeDev/PnP-Sites-Core,comblox/PnP-Sites-Core,m-carter1/PnP-Sites-Core,rajashekarusa/PnP-Sites-Core,PieterVeenstra/PnP-Sites-Core,Puzzlepart/PnP-Sites-Core,phillipharding/PnP-Sites-Core,comblox/PnP-Sites-Core,BobGerman/PnP-Sites-Core,Puzzlepart/PnP-Sites-Core,BobGerman/PnP-Sites-Core,m-carter1/PnP-Sites-Core,phillipharding/PnP-Sites-Core,Oaden/PnP-Sites-Core,rajashekarusa/PnP-Sites-Core,rajashekarusa/PnP-Sites-Core,PieterVeenstra/PnP-Sites-Core,Oaden/PnP-Sites-Core,OfficeDev/PnP-Sites-Core,OfficeDev/PnP-Sites-Core