🔧 Add missing method inputs

docs/how-to-create-new-effects.md

@@ -233,7 +233,7 @@ export default class Effect {
   // The getActorScale() is called from extension.js to adjust the actor's size during the
   // animation. This is useful if the effect requires drawing something beyond the usual
   // bounds of the actor. This only works for GNOME 3.38+.
-  static getActorScale(settings) {
+  static getActorScale(settings, forOpening, actor) {
     return { x: 1.0, y: 1.0 };
   }
 }