Automated threat check feature

[nickleali]

We discussed on the CVSS SIG call today the potential for an expanded feature to check CISA KEV, supply EPSS, and otherwise contextualize more effectively the CVSS score. A similar tool for reference.

https://github.com/t0sche/cvss-bt

Understand this is a bit beyond the scope of the calculator!

Happy to discuss in more details, and will ask for others to help better describe the request.