add %S disclaimer on options page
add %S disclaimer on options page

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