docs: add a section on shipping options and requirement + improvements (#12990)

www/apps/resources/generated/edit-dates.mjs

@@ -5904,7 +5904,7 @@ export const generatedEditDates = {
   "references/utils/enums/utils.PaymentCollectionStatus/page.mdx": "2025-04-11T09:04:53.005Z",
   "app/recipes/erp/page.mdx": "2025-05-20T07:51:40.720Z",
   "app/recipes/erp/odoo/page.mdx": "2025-05-20T07:51:40.720Z",
-  "app/commerce-modules/product/selling-products/page.mdx": "2025-02-13T13:27:09.270Z",
+  "app/commerce-modules/product/selling-products/page.mdx": "2025-07-18T08:56:24.231Z",
   "references/js_sdk/admin/Admin/properties/js_sdk.admin.Admin.draftOrder/page.mdx": "2025-06-25T10:11:46.807Z",
   "references/js_sdk/admin/Client/methods/js_sdk.admin.Client.throwError_/page.mdx": "2025-02-24T10:48:47.018Z",
   "references/js_sdk/admin/CustomStorage/methods/js_sdk.admin.CustomStorage.getItem/page.mdx": "2025-02-24T10:48:47.069Z",

www/apps/resources/generated/generated-commerce-modules-sidebar.mjs

@@ -6102,6 +6102,14 @@ const generatedgeneratedCommerceModulesSidebarSidebar = {
               "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/loyalty-points",
               "children": []
             },
+            {
+              "loaded": true,
+              "isPathHref": true,
+              "type": "ref",
+              "title": "Implement Pre-Orders",
+              "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/preorder",
+              "children": []
+            },
             {
               "loaded": true,
               "isPathHref": true,
@@ -11477,6 +11485,14 @@ const generatedgeneratedCommerceModulesSidebarSidebar = {
               "path": "https://docs.medusajs.com/resources/examples/guides/custom-item-price",
               "children": []
             },
+            {
+              "loaded": true,
+              "isPathHref": true,
+              "type": "ref",
+              "title": "Implement Pre-Order Products",
+              "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/preorder",
+              "children": []
+            },
             {
               "loaded": true,
               "isPathHref": true,

www/apps/resources/generated/generated-tools-sidebar.mjs

@@ -819,6 +819,14 @@ const generatedgeneratedToolsSidebarSidebar = {
                   "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/first-purchase-discounts",
                   "children": []
                 },
+                {
+                  "loaded": true,
+                  "isPathHref": true,
+                  "type": "ref",
+                  "title": "Implement Pre-Orders",
+                  "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/preorder",
+                  "children": []
+                },
                 {
                   "loaded": true,
                   "isPathHref": true,