fixed response.append(body) problem.

+ File I/O working but maybe not perfect (it seems complicated to do it with std::filebuf)
+ fixed Content-Type for unknown file extension

srcs/webserv/init.cpp

@@ -105,7 +105,10 @@ void	Webserv::_init_http_status_map()
 
 void	Webserv::_init_mime_types_map()
 {
-	_mime_types[""] = "application/octet-stream";
+/*
+**	From : http://nginx.org/en/docs/http/ngx_http_core_module.html#types
+*/
+	_mime_types[""] = MIME_TYPE_DEFAULT;
 
 	_mime_types["html"] = "text/html";
 	_mime_types["htm"] = "text/html";