Improved cards handling, simplified Bearer handling

src/DI.php

@@ -255,6 +255,14 @@ abstract class DI
 		return self::$dice->create(Factory\Api\Mastodon\Attachment::class);
 	}
 
+	/**
+	 * @return Factory\Api\Mastodon\Card
+	 */
+	public static function mstdnCard()
+	{
+		return self::$dice->create(Factory\Api\Mastodon\Card::class);
+	}
+
 	/**
 	 * @return Factory\Api\Mastodon\Emoji
 	 */