accelerated-domains: add 50915.org

Author: felixonmars

accelerated-domains.china.conf

@@ -5110,6 +5110,7 @@ server=/50747.com/114.114.114.114
 server=/508hdsys.com/114.114.114.114
 server=/508mallsys.com/114.114.114.114
 server=/508sys.com/114.114.114.114
+server=/50915.org/114.114.114.114
 server=/50970.com/114.114.114.114
 server=/50bangzh.com/114.114.114.114
 server=/50cnnet.com/114.114.114.114