[NonGNU ELPA] Free-Keys version 1.0

[ELPA update]

Version 1.0 of package Free-Keys has just been released in NonGNU ELPA.
You can now find it in M-x package-list RET.

Free-Keys describes itself as:
  Show free keybindings for modkeys or prefixes

More at https://elpa.nongnu.org/nongnu/free-keys.html