Feat fonts: add the woff2 format for the icons
Feat fonts: add the woff2 format for the icons

Woff2 has a better compression format and is supported by Chrome and
Opera.

jason588/lumX,lumapps/lumX,itxd/lumX,b-cuts/lumX,jefvel/lumX,noikiy/lumX,noikiy/lumX,itxd/lumX,terradatum/lumX,bright-sparks/lumX,jason588/lumX,terradatum/lumX,bijeeshtk/lumx,daniel-oliveiravas/lumX,Ener-Getick/lumX,noikiy/lumX,jason588/lumX,hinablue/lumX,bright-sparks/lumX,jayaguilar/lumX,hinablue/lumX,Ener-Getick/lumX,b-cuts/lumX,daniel-oliveiravas/lumX,clementprevot/lumX,Ener-Getick/lumX,lumapps/lumX,daniel-oliveiravas/lumX,ezzye/write-to-be-heard,jason588/lumX,bijeeshtk/lumx,clementprevot/lumX,jefvel/lumX,hinablue/lumX,terradatum/lumX,clementprevot/lumX,b-cuts/lumX,daniel-oliveiravas/lumX,terradatum/lumX,itxd/lumX,itxd/lumX,clementprevot/lumX,jefvel/lumX,cupceavictor/lumX,jefvel/lumX,lumapps/lumX,noikiy/lumX,jayaguilar/lumX,Ener-Getick/lumX,ezzye/write-to-be-heard,ezzye/write-to-be-heard,lumapps/lumX,hinablue/lumX,cupceavictor/lumX,bijeeshtk/lumx,jayaguilar/lumX,bijeeshtk/lumx,ezzye/write-to-be-heard,bright-sparks/lumX,jayaguilar/lumX,cupceavictor/lumX,cupceavictor/lumX,bright-sparks/lumX,b-cuts/lumX