Introduced a 'remux' option in the download functionality, enabling users to remux videos with the best available audio when selected. This enhances the audio quality of downloaded videos when the option is checked in the UI. Added corresponding checkbox in the template for user selection.
* Provide config toggle to disable the 'convert seek' function in the frontend
* Add convertSeek config option to config.example
* Only send from/to if convertSeek is activated