add default configurations for different transformers

pkg/transformerconfig/defaultconfig/defaultconfig.go

@@ -26,6 +26,11 @@ import (
 func GetDefaultPathConfigs() []byte {
 	configData := [][]byte{
 		[]byte(namePrefixPathConfigs),
+		[]byte(commonLabelPathConfigs),
+		[]byte(commonAnnotationPathConfigs),
+		[]byte(namespacePathConfigs),
+		[]byte(varReferencePathConfigs),
+		[]byte(nameReferencePathConfigs),
 	}
 	return bytes.Join(configData, []byte(`\n`))
 }