added markers to readme to update worker options using script 
added markers to readme to update worker options using script 
ramiroaraujo/image_optim,ramiroaraujo/image_optim,mihailim/image_optim,mihailim/image_optim,toy/image_optim,mihailim/image_optim,weheartit/image_optim,printbear/image_optim,printbear/image_optim,toy/image_optim,weheartit/image_optim,toy/image_optim,weheartit/image_optim,ramiroaraujo/image_optim