fix(skew): export skew transition

Author: Setsun

README.md

@@ -136,3 +136,4 @@ The `transitionProperty` argument is a CSS `transition-property` value that can
 - `ScaleTransition`
 - `FlipTransition`
 - `RotateTransition`
+- `SkewTransition`

src/index.ts

@@ -2,12 +2,14 @@ import createTransition from './createTransition';
 import FadeTransition from './components/FadeTransition';
 import SlideTransition from './components/SlideTransition';
 import ScaleTransition from './components/ScaleTransition';
+import SkewTransition from './components/SkewTransition';
 import FlipTransition from './components/FlipTransition';
 import RotateTransition from './components/RotateTransition';
 
 export { createTransition };
 export { FadeTransition };
 export { SlideTransition };
 export { ScaleTransition };
+export { SkewTransition };
 export { FlipTransition };
 export { RotateTransition };