sys-tune 1.1.2

• implemented flac and wav support
• implement seeking in tracks
• mp3's are now fully scanned
  • this fixed an issue where some songs with varying compression levels showed a wrong total length
• switched to audrv/audren
  • this fixed an issue where sleep worsened audio output quality
• now utilizes ams::fs
  • this reduced memory usage slightly

at devs:

• API version bump
• files are now mapped with sdmc:/
• new call added for seeking
• CurrentStats struct changed