fix(hotkeys): add ? to supported punctuation keys

[MohammedALjaberi]

Adds to PunctuationKey type and PUNCTUATION_KEYS constant, enabling for help shortcuts.

Fixes #19

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• I have tested this code locally with pnpm run test:pr.

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commit: a9d643e

[KevinVandy]

Some punctuation on some/most layouts is "Shift affected". Like on most keyboards "/" is the question key when shift is pressed. So adding just "?" would add some duplication.

I'm thinking more and more about having punctuation go through some kind of event.code map to actually fix issues like this.

[MohammedALjaberi]

Some punctuation on some/most layouts is "Shift affected". Like on most keyboards "/" is the question key when shift is pressed. So adding just "?" would add some duplication.

I'm thinking more and more about having punctuation go through some kind of event.code map to actually fix issues like this.

@KevinVandy I’ve updated the PR to use an event.code map for punctuation instead of adding ? as its own key: the matcher falls back to the code map when event.key doesn’t match (e.g. Shift+/ → ?), and the parser normalizes shifted punctuation (e.g. Mod+? → Mod+Shift+/). So Mod+? works without listing ? separately.