Add documentation for md5hexhash field. (#14105) (#10090)

[upstream:fe5295c94dc45907b45b4d55cd00e467e8e3548c]

Signed-off-by: Modular Magician <magic-modules@google.com>

Author: modular-magician

website/docs/r/storage_bucket_object.html.markdown

@@ -20,11 +20,11 @@ description: |-
 
 # google_storage_bucket_object
 
-Creates a new object inside an existing bucket in Google cloud storage service (GCS). 
+Creates a new object inside an existing bucket in Google cloud storage service (GCS).
 [ACLs](https://cloud.google.com/storage/docs/access-control/lists) can be applied using the `google_storage_object_acl` resource.
- For more information see 
-[the official documentation](https://cloud.google.com/storage/docs/key-terms#objects) 
-and 
+ For more information see
+[the official documentation](https://cloud.google.com/storage/docs/key-terms#objects)
+and
 [API](https://cloud.google.com/storage/docs/json_api/v1/objects).
 
 A datasource can be used to retrieve the data of the stored object:
@@ -135,6 +135,8 @@ exported:
 
 * `media_link` - (Computed) A url reference to download this object.
 
+* `md5hexhash` - (Computed) Hex value of md5hash`
+
 ## Timeouts
 
 This resource provides the following