I really like the idea. I think the only issue I ever had with them was the inability to inject files inside. Do you know if that's possible? I was trying to

I really like the idea. I think the only issue I ever had with them was the inability to inject files inside. Do you know if that's possible? I was trying to use a browser, I think Vivaldi, that had instructions for enabling widevine by copying a file to a certain directory, but I couldn't find a clean way to do so.