feat: Replace cli to cobra (#1855)

* Replace cli

* Replace cli

* Replace cli

* Format code

* Add compare case

* Add compare case

* Add compare case

* Support go style flag

* Support go style flag

* Add test case

tools/goctl/bug/cmd.go

@@ -0,0 +1,11 @@
+package bug
+
+import "github.com/spf13/cobra"
+
+// Cmd describes a bug command.
+var Cmd = &cobra.Command{
+	Use:   "bug",
+	Short: "Report a bug",
+	Args:  cobra.NoArgs,
+	RunE:  runE,
+}