Add note on behavior of dismiss() when delaying notification appearance
Add note on behavior of dismiss() when delaying notification appearance

Per #371 you cannot dismiss a delayed notification before it appears. This PR adds a note to the docs for *Delay notification appearance* to make that clear.
sniphpet/react-toastify,fkhadra/react-toastify,fkhadra/react-toastify,fkhadra/react-toastify,sniphpet/react-toastify,fkhadra/react-toastify