Update readme - add Meta Box Lite introduce

Author: nhatrangnet

README.md

@@ -2,6 +2,9 @@
 
 The plugin allows you to handle all post type's arguments and taxonomy's arguments such as menu labels, admin bar label, exclude from search, disable archive page, etc. just in minutes. You don't need to write custom PHP code to register custom post types anymore (using function `register_post_type()` and `register_taxonomy()`).
 
+> **Meta Box Lite**<br>
+> We recommend using [Meta Box Lite](https://metabox.io/lite/), a feature-rich free UI version of Meta Box that provides UI and all free features for managing custom fields and dynamic content on WordPress, including post types, taxonomies, custom fields, and relationships.
+
 Using **MB Custom Post Types & Custom Taxonomies**, you will be able to craft the WordPress admin and turn it into a professional Content Management Systems.
 
 <iframe width="560" height="315" src="https://www.youtube.com/embed/-oYrHGOri4w" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

readme.txt

@@ -16,6 +16,9 @@ Create and manage custom post types and custom taxonomies with an easy-to-use UI
 
 The plugin allows you to handle all post type's arguments and taxonomy's arguments such as menu labels, admin bar label, exclude from search, disable archive page, etc. just in minutes. You don't need to write custom PHP code to register custom post types anymore (using function `register_post_type()` and `register_taxonomy()`).
 
+> **Meta Box Lite**
+> We recommend using [Meta Box Lite](https://metabox.io/lite/), a feature-rich free UI version of Meta Box that provides UI and all free features for managing custom fields and dynamic content on WordPress, including post types, taxonomies, custom fields, and relationships.
+
 Using **MB Custom Post Types & Custom Taxonomies**, you will be able to craft the WordPress content types and turn it into a professional CMS (Content Management Systems).
 
 ### Features