You can use this directlory to load your custom modules.

Currently this directory supports,

product_listing.php
product_listing_col.php
link_listing.php
shipping_estimator.php
new_products.php -> displayed on category listing
article_listing.php

login_acc.php -> login and regiter module
login_pwa.php -> purchasae without account module
Order_Info_Check.php -> PWA form


also_purchased_products.php 
additional_images.php
xsell_products_buynow.php
product_quantity_table.php -> Pro and B2B







