Generate client secret for Apple get token call

A util to generate client secret used in Apple get token call.

Create a config.json file with the following information:

{
	"service_id": "
     
      "
     ,
	"key_id": "
     
      "
     ,
	"team_id": "
     
      "
     
}

Place private key under root folder as apple.p8:

-----BEGIN PRIVATE KEY-----

   
    
-----END PRIVATE KEY-----

   

And then run go run main.go