Waypoint Notes/Description

[Martysh12]

Describe the feature

Add a "Notes" text field to waypoints. Useful for when you want to add details about a waypoint, without putting it in the name (such as describing the location).

Before submitting a suggestion

• [X] This feature doesn't already exist in the client. (I have checked every module and their settings on the latest dev build)

• [X] This wasn't already suggested. (I have searched suggestions on GitHub and read the FAQ)

[Martysh12]

I can take a crack at implementing this