fix(types): fixed TransitionCallbacks interface to reflect react-transition-group args (#962)

Author: golota60

Diff for: src/types.d.ts

@@ -1,7 +1,7 @@
 export interface TransitionCallbacks {
-  onEnter?(node: HTMLElement): any;
-  onEntered?(node: HTMLElement): any;
-  onEntering?(node: HTMLElement): any;
+  onEnter?(node: HTMLElement, isAppearing: boolean): any;
+  onEntered?(node: HTMLElement, isAppearing: boolean): any;
+  onEntering?(node: HTMLElement, isAppearing: boolean): any;
   onExit?(node: HTMLElement): any;
   onExited?(node: HTMLElement): any;
   onExiting?(node: HTMLElement): any;