Add known crypto mining malware

[simonhearne]

https://discuss.httparchive.org/t/the-performance-impact-of-cryptocurrency-mining-on-the-web/1126

Regex should be for the JavaScript asset or the domain. Also need a new group - Malicious / Malware? And a new category - crypto mining.

[simonhearne]

coinhive\.com coinhive\.(.+)\.js