Support for .ogg sound files (or other more compressed formats)

Sound files can significantly increase filesizes and can also cause disruption to Rive experiences when graphics are loaded ahead of sounds. This would be partially helped by introducing support for more compressed audio formats such as Ogg Vorbis. For a lot of Rive use cases compressed audio would likely suffice, and it's frustrating that one small 1-2 second FLAC or MP3 can be bigger than the rest of my file!