GO : List all the serial port in windows use golang-sys package

We can easily get all the serial port in windows using regedit.exe

In our application we read the windows register key `HARDWARE\\DEVICEMAP\\SERIALCOMM` through windows API and list all the sub key and value.

Github project: win_serial_console

Ref:
    1. getting-started-with-golang
    2. golang-sys package
    3. Why does the RegQueryValueEx() function return ERROR_FILE_NOT_FOUND while trying 
    4. 搜尋電腦上所有的 RS232 Ports
    5. Enumerating Registry Values in Go (Golang).
    6. System Error Codes (0-499)