feat: restructure docs into store, marketing, builder, and config sections

contents/docs/store/products.md

@@ -0,0 +1,17 @@
+---
+title: Products
+description: Managing your catalog.
+---
+
+# Products
+
+WooNooW enhances the standard WooCommerce product management.
+
+## Quick Edit
+Update prices and stock levels directly from the list view without opening each product.
+
+## Types
+We support all standard types:
+*   **Simple Product**
+*   **Variable Product**
+*   **Digital/Downloadable**