Add full 82332 observation test set

This data is from https://www.unsw.adfa.edu.au/australian-centre-for-cyber-security/cybersecurity/ADFA-NB15-Datasets/ and is being used for educational purposes.

Citation: Moustafa, N., & Slay, J. (2015, November). UNSW-NB15: a comprehensive data set for network intrusion detection systems (UNSW-NB15 network data set). In Military Communications and Information Systems Conference (MilCIS), 2015 (pp. 1-6). IEEE. Retrieved from: https://www.semanticscholar.org/paper/UNSW-NB15%3A-a-comprehensive-data-set-for-network-in-Moustafa-Slay/0e7af8e91b8cb2cea1164be5ac5d280b0d12c153?tab=abstract