MIME types map for correct Content-type header

+ append body to string cause encoding problem, so added temp buf in Client.

srcs/webserv/base.cpp

@@ -13,6 +13,7 @@ Webserv::Webserv()
 	}
 
 	_init_http_status_map();
+	_init_mime_types_map();
 
 	std::signal(SIGPIPE, signal_handler);
 	std::signal(SIGINT, signal_handler);