Initial version of cashmall (#7450)

Introduces the cashmall
Added Cachua_Coupon exchange NPC
Enabled Devil Enchant Master and moved to Cash Mall
Moved Mergician
Added Basta, Mighty Hammer and Brock
Moved Shadow Blacksmith
Added Cash Hair Stylist
Added a feature switch for Stylist UI
Updated Hair Stylist

Thanks to @aleos89, @Atemo and @eppc0330!

Co-authored-by: aleos <aleos89@users.noreply.github.com>
Co-authored-by: Atemo <Atemo@users.noreply.github.com>

src/map/script.cpp

@@ -26269,6 +26269,11 @@ BUILDIN_FUNC(mob_setidleevent){
 
 BUILDIN_FUNC( openstylist ){
 #if PACKETVER >= 20151104
+	if( !battle_config.feature_stylist ){
+		ShowError( "buildin_openstylist: stylist is disabled.\n" );
+		return SCRIPT_CMD_FAILURE;
+	}
+
 	map_session_data* sd;
 
 	if( !script_charid2sd( 2, sd ) ){