Windows ports with pid and process name

[alexpop]

This PR improves the port resource for Windows. Two main changes went in:

1. Only LISTENING ports are retrieved same as with linux
2. netstat is used in favor of Get-NetTCPConnection because it gives us the valuable PID and process name behind the listening port.

[alexpop]

 #<struct  port=49156, address="::", protocol="tcp", process="lsass.exe", pid=484, listening?=nil>,
 #<struct  port=5355, address="0.0.0.0", protocol="udp", process="Dnscache", pid=992, listening?=nil>,
 #<struct  port=137, address="10.0.2.15", protocol="udp", process="System", pid=4, listening?=nil>,

[arlimus]

This is a great improvement, thank you @alexpop !! 👍