chore(docs): Generated API Reference (#3308)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

docs/api/admin/paths/orders_{id}_shipping-methods.yaml

@@ -11,6 +11,16 @@ post:
       description: The ID of the Order.
       schema:
         type: string
+    - in: query
+      name: expand
+      description: Comma separated list of relations to include in the result.
+      schema:
+        type: string
+    - in: query
+      name: fields
+      description: Comma separated list of fields to include in the result.
+      schema:
+        type: string
   requestBody:
     content:
       application/json:
@@ -19,6 +29,7 @@ post:
   x-authenticated: true
   x-codegen:
     method: addShippingMethod
+    params: AdminPostOrdersOrderShippingMethodsParams
   x-codeSamples:
     - lang: JavaScript
       label: JS Client