purpose of custom rules in functions.php

[napa-web-designer]

I was wondering if you were open to adding a few comments in the README as to the why and what of your custom code in the functions.php file. Does this modify the Divi portfolio module, and if not, how the new custom post type integrates with Divi? Thanks,

[braddalton]

I have written about this already on my blog but its only accessible to members of WP Sites.