Move command key binding info under a single key
Move command key binding info under a single key

To make it easier to override

kiejo/prosemirror,adrianheine/prosemirror,jacwright/prosemirror,tgecho/prosemirror,salzhrani/prosemirror,jacwright/prosemirror,kiejo/prosemirror,mattberkowitz/prosemirror,adrianheine/prosemirror,bengler/prosemirror,tzuhsiulin/prosemirror,salzhrani/prosemirror,ProseMirror/prosemirror-markdown,tzuhsiulin/prosemirror,mattberkowitz/prosemirror,bengler/prosemirror,adrianheine/prosemirror,tgecho/prosemirror,salzhrani/prosemirror,kiejo/prosemirror,tzuhsiulin/prosemirror