Member specific notes with identifier on scheduler view/when admin making a reservation

We would really benefit from being able to write down general notes about  a specific member.

(I.e. Has specific preferences, details of previous interactions, $$ owed from previous visit, "History of no-shows must take payment upfront" or other information that would allow the staff to better serve that member)

This would require a visible icon in the scheduler view that would show details of the note when staff hover of it. 

It would also be important to show these notes when staff are making a reservation for that member.