add uncloud machine init command to initialise a new cluster on local machine

internal/machine/api/server.go

@@ -1,20 +0,0 @@
-package api
-
-import (
-	"context"
-	pb2 "uncloud/internal/machine/api/pb"
-)
-
-// Server is the gRPC server for the Cluster service.
-type Server struct {
-	pb2.UnimplementedClusterServer
-}
-
-func NewServer() *Server {
-	return &Server{}
-}
-
-// AddMachine adds a machine to the cluster.
-func (s *Server) AddMachine(ctx context.Context, req *pb2.AddMachineRequest) (*pb2.AddMachineResponse, error) {
-	return &pb2.AddMachineResponse{}, nil
-}