refactor: add flex and wrap for featured products

modules/ps_bestsellers/views/templates/hook/ps_bestsellers.tpl

@@ -26,7 +26,7 @@
   <h2 class="h2 products-section-title text-uppercase">
     {l s='Best Sellers' d='Shop.Theme.Catalog'}
   </h2>
-  <div class="products">
+  <div class="products flex flex-wrap">
     {foreach from=$products item="product"}
       {include file="catalog/_partials/miniatures/product.tpl" product=$product}
     {/foreach}

modules/ps_crossselling/views/templates/hook/ps_crossselling.tpl

@@ -25,7 +25,7 @@
 
 <section class="featured-products clearfix mt-3">
   <h2>{l s='Customers who bought this product also bought:' d='Shop.Theme.Catalog'}</h2>
-  <div class="products">
+  <div class="products flex flex-wrap">
     {foreach from=$products item="product"}
       {include file="catalog/_partials/miniatures/product.tpl" product=$product}
     {/foreach}

modules/ps_specials/views/templates/hook/ps_specials.tpl

@@ -27,7 +27,7 @@
   <h2 class="h2 products-section-title text-uppercase">
     {l s='On sale' d='Shop.Theme.Catalog'}
   </h2>
-  <div class="products">
+  <div class="products flex flex-wrap">
     {foreach from=$products item="product"}
       {include file="catalog/_partials/miniatures/product.tpl" product=$product}
     {/foreach}

modules/ps_viewedproduct/views/templates/hook/ps_viewedproduct.tpl

@@ -24,7 +24,7 @@
  *}
 <section class="featured-products clearfix mt-3">
   <h2>{l s='Viewed products' d='Shop.Theme.Catalog'}</h2>
-  <div class="products">
+  <div class="products flex flex-wrap">
     {foreach from=$products item="product"}
       {include file="catalog/_partials/miniatures/product.tpl" product=$product}
     {/foreach}