多格式转换机器人，提供 ass2srt vtt2bcc srt2bcc ass2bcc 等转换。
Edit the robot's config
Config/app.toml
Request a botToken
Edit subtitle source information
Config/config.toml
Send the subtitle file with the format you need to convert in the caption (lowercase 3 letters).
*2bcc 会默认压扁源文件的时间轴，重合部分重新生成字幕。
start - start
help - Help