Update Readme to contain PagerSlidingTabStrip

Adds [PagerSlidingTabStrip](https://github.com/jpardogo/PagerSlidingTabStrip)

README.md

@@ -30,6 +30,7 @@ Name | License | Demo
 [MaterialDesignLibrary](https://github.com/navasmdc/MaterialDesignLibrary) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) |  <img src="art/MaterialDesignLibrary.png" width="100%"> <img src="art/MaterialDesignLibrary2.png" width="49%"> <img src="art/MaterialDesignLibrary3.png" width="49%"> <img src="art/MaterialDesignLibrary4.png" width="49%"> <img src="art/MaterialDesignLibrary5.png" width="49%"> <img src="art/MaterialDesignLibrary6.png" width="49%"> <img src="art/MaterialDesignLibrary7.png" width="49%"> <img src="art/MaterialDesignLibrary8.png" width="49%"> <img src="art/MaterialDesignLibrary9.png" width="49%"> <img src="art/MaterialDesignLibrary10.png" width="49%"> <img src="art/MaterialDesignLibrary11.png" width="49%"> <img src="art/MaterialDesignLibrary12.png" width="49%"> <img src="art/MaterialDesignLibrary13.png" width="49%"> <img src="art/MaterialDesignLibrary14.png" width="49%">
 [DrawerArrowDrawable](https://github.com/ChrisRenke/DrawerArrowDrawable) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | ![](art/DrawerArrowDrawable.gif)
 [MaterialTabs](https://github.com/neokree/MaterialTabs) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="art/MaterialTabs.png" width="49%"> <img src="art/MaterialTabs2.png" width="49%"> <img src="art/MaterialTabs3.jpeg" width="49%">
+[PagerSlidingTabStrip](https://github.com/jpardogo/PagerSlidingTabStrip) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="https://raw.githubusercontent.com/jpardogo/PagerSlidingTabStrip/master/art/material_tabs.gif"> <img src="https://raw.githubusercontent.com/jpardogo/PagerSlidingTabStrip/master/art/material_tabs_middle.gif">
 [material-ripple](https://github.com/balysv/material-ripple) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="art/material-ripple.gif" width="49%">
 [RippleEffect](https://github.com/traex/RippleEffect) | [MIT](http://opensource.org/licenses/MIT) | ![](art/RippleEffect.gif)
 [LDrawer](https://github.com/ikimuhendis/LDrawer) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="art/LDrawer.gif" width="49%">