update ports in readme

Author: mattes

README.md

@@ -23,14 +23,14 @@ docker build -t mattes/rotating-proxy:latest .
 docker pull mattes/rotating-proxy:latest
 
 # start docker container
-docker run -d -p 5566:5566 -p 1936:1936 --env tors=25 mattes/rotating-proxy
+docker run -d -p 5566:5566 -p 4444:4444 --env tors=25 mattes/rotating-proxy
 
 # test with ...
 curl --proxy 127.0.0.1:5566 http://echoip.com
 curl --proxy 127.0.0.1:5566 http://header.jsontest.com
 
 # monitor
-http://127.0.0.1:1936/haproxy?stats
+http://127.0.0.1:4444/haproxy?stats
 ```