update(readme): update install directions
update(readme): update install directions

Closes #61.

nayfin/ang-md-harvest,danielfelipe113/listaDeCosasPorHacer2,DrPollo/qqfood,kunalpict/material-design,nayfin/ang-md-harvest,ktak92/sfcard,ktak92/sfcard,crossb0w/909stories,DrPollo/qqfood,adamcweitzman/Funday,2947721120/material-start,kunalpict/material-design,adamcweitzman/Funday,crossb0w/909stories,danielfelipe113/listaDeCosasPorHacer2,2947721120/material-start,failpunk/room-8,failpunk/room-8