[Feature request] add batch download list

[prog-amateur2]

Hello, I think you know the excellent youtube-dl-gui. It works well but seems to have been abandoned by its author (to be confirmed). I really like your design which respects the Linux interface.

But the main advantage between youtube-dl-gui and gydl, is that it allows you to download a list of contents, so there is no need to repeat the operation.

Could you please implement such a feature?

Thank you