Updated unfurled media response types

Author: anthonydiscord

docs/components/reference.mdx

@@ -1153,9 +1153,13 @@ To use this component, you need to send the [message flag](/docs/resources/messa
 
 ## Unfurled Media Item Structure
 
-| Field | Type   | Description                                                     |
-|-------|--------|-----------------------------------------------------------------|
-| url   | string | Supports arbitrary urls and attachment://\<filename> references |
+| Field         | Type    | Description                                                                                                                                      |
+|---------------|---------|--------------------------------------------------------------------------------------------------------------------------------------------------|
+| url           | string  | Supports arbitrary urls and attachment://\<filename> references                                                                                  |
+| proxy_url?    | string  | The proxied url of the media item. This field is ignored and provided by the API as part of the response                                         |
+| height?       | integer | The height of the media item. This field is ignored and provided by the API as part of the response                                              |
+| width?        | integer | The width of the media item. This field is ignored and provided by the API as part of the response                                               |
+| content_type? | string  | The [media type](https://en.wikipedia.org/wiki/Media_type) of the content. This field is ignored and provided by the API as part of the response |
 
 ### Uploading a file