MainWP WooCommerce Statut Extension 5.1

* Added: Sales Last 7 Days column with numeric sorting.
* Added: Database schema validation to help ensure the add-on is properly configured.
* Updated: Rename the existing period-bound labels to Sales This Month and Top Seller This Month.

* Fixed: Resolved PHP warnings ("Trying to access array offset on false") by adding safer validation and fallback handling before reading array values.
* Updated: Refreshed the Woo Status table layout by using a padded segment
* Updated: Merging the site icon/link/URL into a single column for a cleaner, more consistent UI.