Update LICENSE
Update LICENSE

Added note about fonts
ygbhf/Office-UI-Fabric,kissstudio/Office-UI-Fabric,paladin74/Office-UI-Fabric,jerrysdesign/Office-UI-Fabric,rajendra1809/Office-UI-Fabric,andrewconnell/Office-UI-Fabric,robi26/Office-UI-Fabric,robi26/Office-UI-Fabric,cpsloal/Office-UI-Fabric,jackswei/Office-UI-Fabric,Be1con/Office-UI-Fabric,cpsloal/Office-UI-Fabric,waldekmastykarz/Office-UI-Fabric,jjj117/Office-UI-Fabric,zkoehne/Office-UI-Fabric,jjj117/Office-UI-Fabric,openbizgit/Office-UI-Fabric,zkoehne/Office-UI-Fabric,rajendra1809/Office-UI-Fabric,ygbhf/Office-UI-Fabric,pbjorklund/Office-UI-Fabric,dimkk/Office-UI-Fabric,jackswei/Office-UI-Fabric,Be1con/Office-UI-Fabric,andrewconnell/Office-UI-Fabric,picaosgeo/Office-UI-Fabric,waldekmastykarz/Office-UI-Fabric,dimkk/Office-UI-Fabric,OfficeDev/Office-UI-Fabric,zhaoqunhe/Office-UI-Fabric,openbizgit/Office-UI-Fabric,mauricionr/Office-UI-Fabric,kissstudio/Office-UI-Fabric,zhaoqunhe/Office-UI-Fabric,EphraimB/Office-UI-Fabric,AvenChoi/Office-UI-Fabric,picaosgeo/Office-UI-Fabric,paladin74/Office-UI-Fabric,jerrysdesign/Office-UI-Fabric,OfficeDev/Office-UI-Fabric,pbjorklund/Office-UI-Fabric,mauricionr/Office-UI-Fabric,AvenChoi/Office-UI-Fabric,EphraimB/Office-UI-Fabric