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/scripts/Commands/cs_misc.cpp

@@ -347,12 +347,14 @@ public:
         {
             player->SetDeveloper(true);
             handler->GetSession()->SendNotification(LANG_DEV_ON);
+            sScriptMgr->OnHandleDevCommand(handler->GetSession()->GetPlayer(), enablestr);
             return true;
         }
         else if (enablestr == "off")
         {
             player->SetDeveloper(false);
             handler->GetSession()->SendNotification(LANG_DEV_OFF);
+            sScriptMgr->OnHandleDevCommand(handler->GetSession()->GetPlayer(), enablestr);
             return true;
         }