You need to translate parent theme first, because this is main part. I don’t see files in child theme that require translation. How to translate our theme you can read here https://www.8theme.com/demo/docs/woopress/index.html#!/1_how_to_translate
Translate only strings you need, you don’t need to translate all the strings included in .po file.
If you want to use CodeStyling Localization just ignore that notice.
