Collect bugtraq mailing list

See https://seclists.org/bugtraq/ and https://www.securityfocus.com/vulnerabilities
And these tools:
- @eliasgranderubio https://github.com/eliasgranderubio/bidDB_downloader and https://github.com/eliasgranderubio/bidDB_downloader/issues/1
- https://github.com/mmbm2leej/BugTraqCompiler
- https://github.com/hyakuhei/bugtraq
