Add "auth help" command documentation
Add "auth help" command documentation

quixoten/vault,naunga/vault,rnaveiras/vault,kingland/vault,mgk/vault,rnaveiras/vault,naunga/vault,Aloomaio/vault,mgk/vault,hartsock/vault,Aloomaio/vault,hashicorp/vault,quixoten/vault,quixoten/vault,hashicorp/vault,mgk/vault,kingland/vault,hartsock/vault,joelthompson/vault,joelthompson/vault,kingland/vault,Aloomaio/vault,hashicorp/vault,hartsock/vault,rnaveiras/vault,quixoten/vault,mgk/vault,hartsock/vault,hashicorp/vault,joelthompson/vault,joelthompson/vault,hartsock/vault,kingland/vault,kingland/vault,rnaveiras/vault,hashicorp/vault,Aloomaio/vault,rnaveiras/vault,hashicorp/vault