(api definitions) Add optional name field to x-fern-examples

fern/products/api-def/openapi-pages/extensions/examples.mdx

@@ -9,17 +9,21 @@ you want to show more than one example in your documentation.
 
 `x-fern-examples` is an array of examples. Each element of the array
 can contain `path-parameters`, `query-parameters`, `request` and `response`
-examples values that are all associated. If you [defined global headers via the `x-fern-global-headers` extension](/api-definitions/openapi/extensions/global-headers), you must include the headers in your examples. 
+examples values that are all associated. Optionally, you can add a `name` field to provide a descriptive label for each example.
 
-```yaml title="openapi.yml" {5-19}
+If you [defined global headers via the `x-fern-global-headers` extension](/api-definitions/openapi/extensions/global-headers), you must include the headers in your examples. 
+
+```yaml title="openapi.yml" {4-21}
 paths:
   /users/{userId}:
     get:
       x-fern-examples:
-        - headers:
+        - name: Headers example # Optional descriptive label
+          headers:
             custom_api_key: "capi_12345" # header defined using x-global-header extension
             userpool_id: "pool_67890"    # header defined using x-global-header extension
-        - path-parameters:
+        - name: Get user 1234
+          path-parameters:
             userId: user-1234
           response:
             body: