docs: updates following authentication flow changes (#8706)

* docs: updates following authentication flow changes

* generate sidebar

* added open api specs

* fix up OAS

* changes to existing pages

* change sidebar items

* update marketplace recipe

www/utils/generated/oas-output/schemas/AuthStoreSessionResponse.ts

@@ -0,0 +1,14 @@
+/**
+ * @schema AuthStoreSessionResponse
+ * type: object
+ * description: The authenticated customer's details.
+ * x-schemaName: AuthStoreSessionResponse
+ * required:
+ *   - user
+ * properties:
+ *   user:
+ *     title: user
+ *     description: The logged-in customer.
+ *     $ref: "#/components/schemas/StoreCustomer"
+*/
+