Dynamic DNS Client for Porkbun API

To use, put binary in a folder with a file named ".env". The contents of the .env file should be JSON in the following format:

 "secretapikey": "XXXXXXXXXXXXX",
 "apikey": "XXXXXXXXXXXXX",
 "domains": [
   "example.com",
   "example.net",
   "example.io"
 ]
}```

Source Go code is included, I need to fix the package and stuff up though