Adds Arena Trap ability

Scripts/Utilities/SpecialStates.as

@@ -0,0 +1,14 @@
+namespace Gen7 {
+    namespace SpecialStates {
+        bool IsRaised(const Pokemon@ pokemon){
+            if (pokemon.HasType("flying")){
+                return true;
+            }
+            if (pokemon.HasVolatile("RaisedUp")){
+                return true;
+            }
+
+            return false;
+        }
+    }
+}