fix(ROS): Document hide-download option on files

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

lib/public/RichObjectStrings/Definitions.php

@@ -374,6 +374,12 @@ class Definitions {
 					'description' => 'The blurhash of the image',
 					'example' => 'LEHV9uae2yk8pyo0adR*.7kCMdnj',
 				],
+				'hide-download' => [
+					'since' => '31.0.5',
+					'required' => false,
+					'description' => 'Whether the download option should be hidden. If not set to `yes` the option can be shown',
+					'example' => 'yes',
+				],
 			],
 		],
 		'forms-form' => [

lib/public/RichObjectStrings/IValidator.php

@@ -26,6 +26,7 @@
  *     path?: string,
  *     mimetype?: string,
  *     'preview-available'?: 'yes'|'no',
+ *     'hide-download'?: 'yes'|'no',
  *     mtime?: string,
  *     latitude?: string,
  *     longitude?: string,