feat(Core/Hooks): added collection of hooks to extends AC (#3047)

This collection of hooks comes from the Maelstrom project. It allows to release modules such as :
- 3v3-soloqueue
- 1v1 arena
- pvestats

and many others

src/server/game/Handlers/AuctionHouseHandler.cpp

@@ -12,6 +12,7 @@
 #include "Log.h"
 #include "ObjectMgr.h"
 #include "Opcodes.h"
+#include "ScriptMgr.h"
 #include "Player.h"
 #include "UpdateMask.h"
 #include "Util.h"
@@ -50,6 +51,9 @@ void WorldSession::SendAuctionHello(uint64 guid, Creature* unit)
         return;
     }
 
+    if (!sScriptMgr->CanSendAuctionHello(this, guid, unit))
+        return;
+
     AuctionHouseEntry const* ahEntry = AuctionHouseMgr::GetAuctionHouseEntry(unit->getFaction());
     if (!ahEntry)
         return;