[Quest API] Add EVENT_DAMAGE_GIVEN and EVENT_DAMAGE_TAKEN to Perl/Lua. (#2804)

* [Quest API] Add EVENT_DAMAGE_GIVEN and EVENT_DAMAGE_TAKEN to Perl/Lua.

# Perl
- Add `EVENT_DAMAGE_GIVEN`.
- Add `EVENT_DAMAGE_TAKEN`.
- Both events export `$entity_id`, `$damage`, `$spell_id`, `$skill_id`, `$is_damage_shield`, `$is_avoidable`, `$buff_slot`, `$is_buff_tic`, `$special_attack`.

# Lua
- Add `event_damage_given`.
- Add `event_damage_taken`.
- Both events export `e.entity_id`, `e.damage`, `e.spell_id`, `e.skill_id`, `e.is_damage_shield`, `e.is_avoidable`, `e.buff_slot`, `e.is_buff_tic`, `e.special_attack`, and `e.other`.

# Notes
- These events allow operators to have events fire based on damage given or taken, as well as keep better track of a Bot, Client, or NPC's damage per second or otherwise.
- Special Attack is only useful for NPCs, but allows you to see if the attack is Rampage, AERampage, or Chaotic Stab.

* Cleanup.

zone/event_codes.h

@@ -116,6 +116,8 @@ typedef enum {
 	EVENT_AUGMENT_REMOVE_CLIENT,
 	EVENT_EQUIP_ITEM_BOT,
 	EVENT_UNEQUIP_ITEM_BOT,
+	EVENT_DAMAGE_GIVEN,
+	EVENT_DAMAGE_TAKEN,
 	// Add new events before these or Lua crashes
 	EVENT_SPELL_EFFECT_BOT,
 	EVENT_SPELL_EFFECT_BUFF_TIC_BOT,