Focus README, remove cf.gov link
Focus README, remove cf.gov link

A good chunk of the README was copy-pasted from DOCter, which isn't too
helpful to get started

eregs/eregulations,eregs/eregs.github.io,cfpb/eRegulations,eregs/eregs.github.io,cfpb/eRegulations,eregs/eregulations