io.styles: Add blink style.

io.styles: Add blink style.

Try in terminal:

rlwrap ./factor

USING: system io.styles colors literals threads calendar colors.flex-hex hashtables io.streams.ansi random ; [
  "hello"
   named-colors random parse-color foreground associate
   named-colors random parse-color background pick set-at
   { underline blink bold-italic } font-style pick set-at format
] with-ansi