Updated Tar Lake interior

Updated Tar Lake interior.  Added Water Breathing to Amulet of Water Breathing.  Updated tar mephit.

_module/nss/cv_10a_tar_fight.nss

@@ -0,0 +1,20 @@
+void main()
+{
+    // Get the entering object (usually a player character)
+    object oPC = GetEnteringObject();
+
+    // Check if the entering object is a player character and not the module itself
+    if (GetIsPC(oPC) && !GetIsDM(oPC))
+    {
+        // Find the nearest creature with the tag "TARMEPHIT001"
+        object oCreature = GetNearestObjectByTag("TARMEPHIT001", oPC);
+
+        // Check if a valid creature was found
+        if (GetIsObjectValid(oCreature))
+        {
+            // Make the creature say the message
+            SpeakString("Hey, you stay away from our tar!", TALKVOLUME_SHOUT);
+        }
+    }
+}
+