增加了一个帖子内展开toot预览的小功能

@asahi001@mastodon.social","authorAvatar":"https://files.mastodon.social/accounts/avatars/110/294/448/644/111/579/original/acb5f941b456af8e.png","authorUrl":"https://mastodon.social/@asahi001","attachments":[],"published":"2023-09-27T02:45:12Z","domain":"mastodon.social"}">

@drmobs@douban.city","authorAvatar":"https://mediacdn.aus.social/accounts/avatars/108/204/333/934/223/195/original/b267087bff90dd57.jpg","authorUrl":"https://aus.social/@drmobs","attachments":[{"url":"https://mediacdn.aus.social/media_attachments/files/116/028/142/861/964/790/original/67fc21a4a861d8d2.png","type":"image/png","description":"A (dry) lawn with three small grey kangaroos feeding. The background is tall grass, trees and a dirt road."}],"published":"2026-02-07T07:24:27Z","domain":"douban.city"}">

@BirdPerHour@douban.city","authorAvatar":"https://media.mas.to/accounts/avatars/113/503/490/960/278/333/original/b5fc77c87fdb70bc.png","authorUrl":"https://mas.to/@BirdPerHour","attachments":[{"url":"https://media.mas.to/media_attachments/files/116/029/706/627/697/460/original/598508648b69d16f.jpg","type":"image/jpeg","description":""}],"published":"2026-02-07T14:00:18Z","domain":"douban.city"}">