Adding DDEV Stripe plugin for the Pricing page. This can be left deactivated until we add the Pricing page to the site. To add the pricing page we just need to first turn on this plugin, then just create a page called Pricing
Adds new navigation menu for DDEV Preview and adds the template-ddev-preview.php that can be assigned to a page.
Content for Preview from the Live page is now moved to the preview template and removed from the Live page
template-ddev-preview.php
that can be assigned to a page.