Update README.md for recent changes.
Update README.md for recent changes.

decaffeinate-examples/vimium,decaffeinate-examples/vimium,mrmr1993/vimium,poacher2k/vimium,smblott-github/vimium,decaffeinate-examples/vimium,philc/vimium,willsALMANJ/vimium,poacher2k/vimium,gdh1995/vimium,poacher2k/vimium,philc/vimium,willsALMANJ/vimium,philc/vimium,willsALMANJ/vimium,smblott-github/vimium,mrmr1993/vimium,gdh1995/vimium,smblott-github/vimium,gdh1995/vimium,mrmr1993/vimium