chore(docs): Generated API Reference (#4706)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>
Co-authored-by: Shahed Nasser <shahednasser@gmail.com>

docs/api/admin/components/schemas/ShippingTaxRate.yaml

@@ -1,7 +1,5 @@
 title: Shipping Tax Rate
-description: >-
-  Associates a tax rate with a shipping option to indicate that the shipping
-  option is taxed in a certain way
+description: This represents the tax rates applied on a shipping option.
 type: object
 required:
   - created_at
@@ -11,19 +9,21 @@ required:
   - updated_at
 properties:
   shipping_option_id:
-    description: The ID of the Shipping Option
+    description: The ID of the shipping option.
     type: string
     example: so_01G1G5V27GYX4QXNARRQCW1N8T
   shipping_option:
-    description: Available if the relation `shipping_option` is expanded.
+    description: The details of the shipping option.
+    x-expandable: shipping_option
     nullable: true
     $ref: ./ShippingOption.yaml
   rate_id:
-    description: The ID of the Tax Rate
+    description: The ID of the associated tax rate.
     type: string
     example: txr_01G8XDBAWKBHHJRKH0AV02KXBR
   tax_rate:
-    description: Available if the relation `tax_rate` is expanded.
+    description: The details of the associated tax rate.
+    x-expandable: tax_rate
     nullable: true
     $ref: ./TaxRate.yaml
   created_at:
@@ -40,3 +40,7 @@ properties:
     type: object
     example:
       car: white
+    externalDocs:
+      description: Learn about the metadata attribute, and how to delete and update it.
+      url: >-
+        https://docs.medusajs.com/development/entities/overview#metadata-attribute