create `build` dir upon init
create `build` dir upon init

chabou/hyper,ekmartin/hyperterm,zeit/hyper,wilsontayar/hyper,stefanivic/hyper,martinvd/hyper,wilsontayar/hyper,MartyGentillon/hyper,chabou/hyper,zeit/hyper,martinvd/hyper,derrickpelletier/hyper,rickycodes/hyper,zeit/hyper,chabou/hyper,ppot/hyper,ppot/hyper,ppot/hyper,whitelynx/hyperterm,derrickpelletier/hyper,zeit/hyper,mike-engel/hyperterm,reslaurentii/hyper,spncrgr/hyper,whitelynx/hyperterm,rickycodes/hyper,reslaurentii/hyper,KunalKene1797/hyper,AlmirKadric/hyperterm,ekmartin/hyperterm,bekher/hyperterm,spncrgr/hyper,MartyGentillon/hyper,stefanivic/hyper,bekher/hyperterm,AlmirKadric/hyperterm,mike-engel/hyperterm,KunalKene1797/hyper,zeit/hyperterm,zeit/hyperterm