[Commands] Add #showspells Command (#3429)

* [Commands] Add #showspells Command

# Notes
- Add `#showspells` command to show your or your target's memorized spells or learned disciplines.

* Update client.cpp

zone/client.h

@@ -131,6 +131,12 @@ enum {
 	HideCorpseNPC = 5
 };
 
+typedef enum
+{
+	Disciplines,
+	Spells
+} ShowSpellType;
+
 typedef enum
 {
 	Empty = 0,
@@ -669,6 +675,8 @@ public:
 	inline const int32 GetInstanceID() const { return zone->GetInstanceID(); }
 	void SetZoning(bool in) { bZoning = in; }
 
+	void ShowSpells(Client* c, ShowSpellType show_spell_type);
+
 	FACTION_VALUE GetReverseFactionCon(Mob* iOther);
 	FACTION_VALUE GetFactionLevel(uint32 char_id, uint32 npc_id, uint32 p_race, uint32 p_class, uint32 p_deity, int32 pFaction, Mob* tnpc);
 	bool ReloadCharacterFaction(Client *c, uint32 facid, uint32 charid);