Improve MacOS support

[gavinhenderson]

I received an email asking how to setup EyeCommander in MacOS. We currently don't have a lot of supporting content for MacOS because we don't have a lot of use but we provide a MacOS version so we should provide better support

• Test it in MacOS apps
• Documentation
• Videos about how to set it up
• Improve the permission flow (it loses permissions after updates)

[willwade]

Dumping AAC/Related Apps here:

• https://apps.apple.com/gb/app/proloquo4text/id1478237633?mt=12
• https://apps.apple.com/gb/app/proloquo2go/id1475643220?mt=12
• https://apps.apple.com/gb/app/freespeech-build-language-and-learn-grammar/id1089150955?mt=12

I would have thought though that People are really using as a switch for https://support.apple.com/en-us/HT202865 - and then building their own switch panels to do all sorts. NB: Apple do have facial detection / gesture detection in MacOS - but only as a conduit for Pointer control - NOT as a switch input. That clears things up a bit.