Add UIPeriodicTable example

Data/AtomicEditor/ExampleInfo/Examples.json

@@ -5,6 +5,7 @@
         "Basic3D",
         "PhysicsPlatformer",
         "Racer2D",
+        "UIPeriodicTable",
         "ToonTown",
         "AtomicBlaster",
         "RoboMan3D",