darashi/rubyistokei — pull request #154 by chezou (2014-03-06 13:02:57+00:00)
Title: Add gong sound for timer mode

- Add gong sound :sound: for timer mode #150
- usage: `/timer[?limit=TIME_LIMIT&gong=on]`

I checked it works with mobile safari on :iphone: 5s and iPad mini retina.
I use CC0 license sound.