Added NWNX & removed conflicting spell scripts

Added NWNX & removed conflicting spell scripts

_module/nss/on_pubsub.nss

@@ -0,0 +1,14 @@
+/// @ingroup redis
+/// @brief Script to handle PubSub event
+/// @{
+/// @file on_pubsub.nss
+#include "nwnx_redis_ps"
+
+void main()
+{
+  struct NWNX_Redis_PubSubMessageData data = NWNX_Redis_GetPubSubMessageData();
+
+  WriteTimestampedLogEntry("Pubsub Event: channel=" + data.channel +
+    " message=" + data.message);
+}
+/// @}