Horsefly Swamp update

Creatures & encounter tables to support Horsefly swamp expansion.

_module/nss/airlessaura3.nss

@@ -0,0 +1,12 @@
+#include "NW_I0_SPELLS"
+#include "x2_inc_spellhook"
+#include "inc_suffocate"
+
+void main()
+{
+    //Declare major variables
+    //Get the object that is exiting the AOE
+    object oTarget = GetExitingObject();
+
+    GiveBreath(oTarget);
+}