Update url for SublimeText config

[lvm]

https://github.com/tidalcycles/tidalcycles.github.io/blob/e11edb9992dd0020018d9ed407cc5e4923e1f817/_getting_started/editors/sublime.md

this page links to a removed gist, I forked lennart's and re-wrote the config for superdirt here:
https://gist.github.com/lvm/e0943b0d42507af60eee174ed263adde