Merge pull request #1744 from dagger/shykes-hide-doc

Hide `dagger doc`

cmd/dagger/cmd/doc.go

@@ -246,6 +246,8 @@ func mdEscape(s string) string {
 }
 
 var docCmd = &cobra.Command{
+	// FIXME: this command is currently broken as of 0.2.
+	Hidden: true,
 	Use:    "doc [PACKAGE | PATH]",
 	Short:  "document a package",
 	Args:   cobra.MaximumNArgs(1),