feature: kuaishou uploader

1. 更新了快手
2. 重构了工程目录，让其更加简洁（抱歉）
3. 自动创建cookies 文件夹，并加入gitignore

feature: tiktok thumbnail support

1. tk (chrome support)
2. tk add thumbnail support

feature: tiktok upload

add tiktok upload using firefox.