feat: keyboard modes

Headers/Xbox/4J_Input.h

@@ -65,7 +65,8 @@ public:
 		EKeyboardMode_Full,
 		EKeyboardMode_Alphabet_Extended,
 		EKeyboardMode_IP_Address,
-		EKeyboardMode_Phone
+		EKeyboardMode_Phone,
+		EKeyboardMode_Email
 	};
 
 	void				Initialise( int iInputStateC, unsigned char ucMapC,unsigned char ucActionC, unsigned char ucMenuActionC );