Bucklespring Model M sounds

[xplshn]

https://github.com/zevv/bucklespring

[orhun]

Marking as good first issue, see #95 & #18 for how to add new sounds.

[xplshn]

But these would be great to have by default

[orhun]

I'm not sure about making them default but it is definitely a good idea to have them as a preset!