[Feature] Add Bot Starting Items (#3634)

* [Feature] Add Bot Starting Items

# Notes
- This table is similar to the player starting items table, however it uses bitmasks.
- Allows operators to give bots gear on creation.
- `races` of `0` for all races.
- `classes` of `0` for all classes.

* Update bot.cpp

* Update database_update_manifest_bots.cpp

zone/bot.h

@@ -460,6 +460,8 @@ public:
 		uint8 gender
 	);
 
+	void AddBotStartingItems(uint16 race_id, uint8 class_id);
+
 	// Static Bot Group Methods
 	static bool AddBotToGroup(Bot* bot, Group* group);
 	static bool RemoveBotFromGroup(Bot* bot, Group* group);