Imports of client command

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/spiffe/go-spiffe/v2/spiffegrpc/grpccredentials
github.com/spiffe/go-spiffe/v2/spiffeid
github.com/spiffe/go-spiffe/v2/spiffetls/tlsconfig
github.com/spiffe/go-spiffe/v2/workloadapi
google.golang.org/grpcPackage grpc implements an RPC system called gRPC.
google.golang.org/grpc/examples/helloworld/helloworld
logPackage log implements a simple logging package.