Hotkey version 3

[theinterned]

This is a tracking issue for hotkey version 3 which will introduce a few breaking changes:

Some of this was split from #65

Tasks

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1. Add a special Mod modifier that translates to either Meta on Mac or Control on other platforms #66
   enhancement +1
   
2. Expose hotkey and SequenceTracker components #93
   +0
3. Expose tools for building & normalizing hotkey & sequence strings #94
   +0
4. Add support for event.code #92
   +0
5. API alterations to allow injection of hotkey parsing and event processing #69
   +0
6. eventToHotkeyString inconsistent shift key behaviour on Mac #54
   +0
   
7. eventToHotKey inconsistent alt key behaviour on Mac #68
   +0
8. Add support for Space and Plus keywords #45
   +0

[turgs]

👋 @theinterned Is there a timeframe for when v3 will be available?

[theinterned]

Hi @turgs. Sorry I missed this earlier.

Unfortunately, I haven't been focused on hotkey recently so I don't have any timelines at the moment.

[theinterned]

@turgs just a heads up that v3 is under active development and we are working to ship many of the changes documented here

[iansan5653]

Created v3 branch to compile these changes