add girl skin command

Common/Internationalization/Message/LanguageCHS.cs

@@ -35,6 +35,7 @@ public class ServerTextCHS
 /// </summary>
 public class WordTextCHS
 {
+    public string Skin => "Skin";
     public string WeaponPart => "武器部件";
     public string CallItem => "召唤道具";
     public string SkinPart => "皮肤部件";

Common/Internationalization/Message/LanguageCHT.cs

@@ -35,6 +35,7 @@ public class ServerTextCHT
 /// </summary>
 public class WordTextCHT
 {
+    public string Skin => "皮膚";
     public string WeaponPart => "武器部件";
     public string CallItem => "召喚道具";
     public string SkinPart => "外觀部件";

Common/Internationalization/Message/LanguageEN.cs

@@ -35,6 +35,7 @@ public class ServerTextEN
 /// </summary>
 public class WordTextEN
 {
+    public string Skin => "Skin";
     public string WeaponPart => "Weapon Part";
     public string CallItem => "Call Item";
     public string SkinPart => "Skin Part";