Flight Director - Determine how the commands for the Flight Director command bar are defined

[alexanderson1993]

Here's the inspiration for this feature. https://www.youtube.com/watch?v=Wla5yWNytgY&feature=emb_title

We need to figure out how to define the commands that are available to the Flight Director with this command palette, and how to define the different options which are available for each command.

Depending on how we build the system for defining timeline actions, it could tie into that.