ctrl-k for "create hyperlink"💡

1. Describe a problem: I type ctrl-k and nothing happens

2. Describe the solution you'd like. I would like to see the "create hyperlink" dialog.

ctrl-k works in many applications (gsuite, confluence, ...)

3. Are there any alternatives? No.

Start by locating the editor's keyboard shortcut handling and the entry point for the "create hyperlink" dialog. Verify how existing shortcuts are registered, then confirm that pressing Ctrl-K opens the dialog and that the existing hyperlink flow still works.

Written by the indexing model from the issue text.