feat: Add goctl quickstart (#1889)

* Add goctl quickstart

* Format code

* Format code

tools/goctl/quickstart/cmd.go

@@ -0,0 +1,25 @@
+package quickstart
+
+import "github.com/spf13/cobra"
+
+const (
+	serviceTypeMono  = "mono"
+	serviceTypeMicro = "micro"
+)
+
+var (
+	varStringServiceType string
+
+	// Cmd describes the command to run.
+	Cmd = &cobra.Command{
+		Use:   "quickstart",
+		Short: "quickly start a project",
+		RunE:  run,
+	}
+)
+
+func init() {
+	Cmd.Flags().StringVarP(&varStringServiceType,
+		"service-type", "t", "mono",
+		"specify the service type, supported values: [mono, micro]")
+}