Revert "update example to require react DOM"
Revert "update example to require react DOM"

This reverts commit 7fd76eef357cd63124e738ff7e4fd24a0966e86a.

cstumph/ribcage-gen,Techwraith/ribcage-gen,tedbreen/ribcage-gen,cstumph/ribcage-gen,Techwraith/ribcage-gen