chore: support more named keys for keyboard shortcuts

[hojjatabdollahi]

I set Ctrl+Shift+Enter to open a new window, but pressing it would just type a new line in the terminal. Turns out "Enter" was missing. I added a couple of more Named keys.

Fixes #808

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[hojjatabdollahi]

Can this be merged please? I wanna rebase my other fixes.