Update readme with information about new command and flag
Update readme with information about new command and flag

tmc/crane,inthroxify/crane,michaelsauter/crane,t-suwa/crane,bjaglin/crane,jesper/crane,ScientificRevenue/crane,stajkowski/crane,t-suwa/crane,dreamcat4/crane,ghbliu/crane,stajkowski/crane,dreamcat4/crane,jesper/crane,rmoorman/crane,rmoorman/crane,michaelsauter/crane,ghbliu/crane,bjaglin/crane,inthroxify/crane,tmc/crane