To add a download button for a GitHub folder, which allows easy downloading of a specific folder, you can follow these steps
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给勤务员加鸡腿 
「 添加一个下载按钮，允许轻松下载特定的 GitHub 文件夹。 」
Download：Github | ⭐Greasy Fork
GitHub Folder Downloader adds a download button for GitHub folders, making it easier to download specific folders from repositories. The button integrates with two external tools: download-directory and DownGit, allowing users to download folders with a single click.
Modified from the script GitHub 文件夹下载 by user Eric Kwok.
