Add example keybind

src/SDL.cake

@@ -291,6 +291,9 @@
       (append-to-string-buffer buffer-out buffer-size (addr write-head)
                                ", "))))
 
+;; Example of multiple keys bound:
+;; (define-keybind s-help-keybind (array SDL_SCANCODE_F1 keybind-modifier-flags-none)
+;;   (array SDL_SCANCODE_H keybind-modifier-flags-ctrl))
 (defmacro define-keybind (name symbol &rest binds array)
   (var buttons-name Token (deref name))
   (call-on append (field buttons-name contents) "-buttons")