Reference

All functions
feedback()	feedback
feedbackDanger()	feedbackDanger
feedbackSuccess()	feedbackSuccess
feedbackWarning()	feedbackWarning
showSnackbar()	showSnackbar
snackbar()	snackbar
snackbarDanger()	snackbarDanger
snackbarSuccess()	snackbarSuccess
snackbarWarning()	snackbarWarning
useShinyFeedback()	useShinyFeedback