`plain-text` / `argfile` configuration file

[kdeldycke]

An alternative to TOML, YAML, JSON and the likes would be a kind of plain-text format for configuration files. In which we can dump CLI parameters and flags as we would have use them on a console prompt.

See for instance mpv and yt-dlp configuration files:

• https://mpv.io/manual/stable/#configuration-files
• https://github.com/kdeldycke/dotfiles/blob/main/dotfiles/.config/yt-dlp.conf