docs: added create swap and return guides (#3974)

* docs: added create swap and return guides

* switched sidebar item positions

* eslint fixes

* fixed link

www/docs/sidebars.js

@@ -799,20 +799,14 @@ module.exports = {
           label: "Storefront: Retrieve Order Details",
         },
         {
-          type: "link",
-          href: "#",
-          label: "Storefront: Create a Swap",
-          customProps: {
-            sidebar_is_soon: true,
-          },
+          type: "doc",
+          id: "modules/orders/storefront/create-return",
+          label: "Storefront: Create a Return",
         },
         {
-          type: "link",
-          href: "#",
-          label: "Storefront: Create a Return",
-          customProps: {
-            sidebar_is_soon: true,
-          },
+          type: "doc",
+          id: "modules/orders/storefront/create-swap",
+          label: "Storefront: Create a Swap",
         },
         {
           type: "doc",