Update Progress.md (wasabeef#272)

pages/Progress.md

@@ -15,6 +15,7 @@ Name | License | Demo
 [Animated Circle Loading View](https://github.com/jlmd/AnimatedCircleLoadingView) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="/art/AnimatedCircleLoadingView.gif" width="49%">
 [AndroidFillableLoaders](https://github.com/JorgeCastilloPrz/AndroidFillableLoaders) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="/art/AndroidFillableLoaders.gif" width="49%"> <img src="/art/AndroidFillableLoaders2.gif" width="49%">
 [spots-dialog](https://github.com/d-max/spots-dialog) | [MIT](https://opensource.org/licenses/MIT) | <img src="/art/spots_dialog.gif" width="49%">
+[Skeleton-Bones](https://github.com/EudyContreras/Skeleton-Bones) | [MIT](https://opensource.org/licenses/MIT) | <img src="https://github.com/EudyContreras/Skeleton-Bones/blob/master/media/gifs/demo_full_day.gif" width="50%"><img src="https://github.com/EudyContreras/Skeleton-Bones/blob/master/media/gifs/demo_full_night.gif" width="50%">
 [AVLoadingIndicatorView](https://github.com/81813780/AVLoadingIndicatorView) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="/art/AVLoadingIndicatorView.gif" width="49%">
 [LoadingDots](https://github.com/EyalBira/loading-dots) | [MIT](https://opensource.org/licenses/MIT) | <img src="/art/loading-dots.gif" width="49%">
 [ColorArcProgerssBar](https://github.com/Shinelw/ColorArcProgressBar) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="/art/Android-ColorArcProgressBar.gif" width="49%">