Add artist, title, and date metadata to boop.{mp3,ogg} (#5531)

For boop.mp3, this commit adds both ID3v1 and ID3v2 tags. For boop.ogg, we use Vorbis metadata. In the case of boop.mp3, this also adds a cover image. Interestingly, it didn't seem to affect the size of boop.mp3 much, despite being ~8k. boop.ogg seemed to be much more affected and so no cover image was added to that version.
2017-10-27 10:05:04 -05:00 · 2017-10-27 10:05:04 -05:00 · 37b267e2ab
--- a/public/sounds/boop.mp3
+++ b/public/sounds/boop.mp3
--- a/public/sounds/boop.ogg
+++ b/public/sounds/boop.ogg