How to package a palette group and sub macros it uses?

Here's an idea inspired by @DanThomas' post:
Include a "Help" macro in all of your Macro Groups that use a palette, and name the Macro something like "zz)Help" to force the macro at the bottom.

An Example:

Clicking on "Help", or using the hot key ⌃H, displays this:

of course the contents can be whatever you want.

####Here's the Help Macro: