feat: added dynamic menu bar option

[will09122000]

Description

Dynamic menu bar changes colour based on the state of the auto clicker. Option is defaulted to off.
Orange = Counting down to start
Green = Auto clicker running

Unfortunately, this is only available from macOS 12 and up. I hope this isn't a big problem since the minimum deployment is only macOS 11.

Related Issue

#65

Motivation and Context

I wanted to be able to view the state of the auto clicker at a glance, without having to go the menu bar item and click it.

How Has This Been Tested?

Tested as best as I can. Not been tested on MacOS 11, but I believe I put the correct restrictions in places.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[othyn]

Wow, okay this PR sent me down a complete rabbit hole. It's not something you did and more a usecase I need to accomodate for.

I'll do a writeup on the issue as its more visible.