Added Hook

* This hook can be used to cache module database tables.

src/server/game/Scripting/ScriptMgr.h

@@ -245,6 +245,9 @@ class WorldScript : public ScriptObject
         // Called after the world configuration is (re)loaded.
         virtual void OnAfterConfigLoad(bool /*reload*/) { }
 
+        // Called when loading custom database tables
+        virtual void OnLoadCustomDatabeTable() { }
+
         // Called before the world configuration is (re)loaded.
         virtual void OnBeforeConfigLoad(bool /*reload*/) { }
 
@@ -1132,6 +1135,7 @@ class ScriptMgr
 
     public: /* WorldScript */
 
+        void OnLoadCustomDatabeTable();
         void OnOpenStateChange(bool open);
         void OnBeforeConfigLoad(bool reload);
         void OnAfterConfigLoad(bool reload);