Ampersand as a key breaks things

[GitSkunk]

Setting an entry with an & as the key breaks the loading of the keymap. You can escape it with &, but the slash shows up in the key display.

[kenc]

Wrap it with single or double quotes. It should work without escaping:

- name: example
  keybinds:
    - name: foo
      key: "super + &"