Changed 'custom-post-types' to 'post-types' to better work together with WP ACF Scaffold | closes #38
Added a pager snippet (with next/previous links, that are also visible but inactive when no next/previous page is available) + an archive page with the pager included | closes #12
Added a lang folder for languages files + small readme about how to use + load_text_domain functions is applied in functions.php | closes #14