[Quest API] Add Scripting Support to Mercenaries (#4500)

* [Quest API] Add Scripting Support to Mercenaries

* Cleanup

* Cleanup

* Update lua_merc.h

* Update mob.cpp

* XYZH

* Final

* Update attack.cpp

* Update attack.cpp

* Simplify event invocation

* Inline example

* Nullptr init example

* EVENT_TIMER simplify add EventPlayerNpcBotMerc

* EVENT_TIMER_START

* Remove has_start_event

* EVENT_TIMER_START with settimerMS

* EVENT_POPUP_RESPONSE

* Consolidation

* Update attack.cpp

* Push

* Update quest_parser_collection.h

* Comments

* Cleanup per comments

---------

Co-authored-by: Akkadius <akkadius1@gmail.com>

zone/CMakeLists.txt

@@ -65,6 +65,7 @@ SET(zone_sources
     lua_inventory.cpp
     lua_item.cpp
     lua_iteminst.cpp
+    lua_merc.cpp
     lua_mob.cpp
     lua_mod.cpp
     lua_npc.cpp
@@ -115,6 +116,7 @@ SET(zone_sources
     perl_groups.cpp
     perl_hateentry.cpp
     perl_inventory.cpp
+    perl_merc.cpp
     perl_mob.cpp
     perl_npc.cpp
     perl_object.cpp
@@ -224,6 +226,7 @@ SET(zone_headers
     lua_inventory.h
     lua_item.h
     lua_iteminst.h
+    lua_merc.h
     lua_mob.h
     lua_mod.h
     lua_npc.h