Added AR Support Checker plugin to list

Author: Rozhovetskyi

README.md

@@ -348,5 +348,7 @@ Navigation:
 * [UDBase](https://github.com/KonH/UDBase) - module-based game template for Unity.
 * [Hull-Delaunay-Voronoi](https://github.com/Scrawk/Hull-Delaunay-Voronoi) - Hull, Delaunay and Voronoi algorithms in Unity.
 * [YTranslate](https://gist.github.com/rubenhorn/e8de0fb635c3936d47cd15dfbaafc3d4) - machine translation using Yandex Translate.
+* [AR Support Checker](https://github.com/Rozhovetskyi/AR-Support-Checker) - plain detection of AR supported (ARCore, ARKit, AR Foundation) devices.
+
 
 [![Analytics](https://ga-beacon.appspot.com/UA-63472612-14/readme)](https://github.com/igrigorik/ga-beacon).