Add Malware Families Catalog

[jordanricky1604-ship-it]

Add Malware Families Catalog

• URL: https://jordanricky1604-ship-it.github.io/malware-families-catalog/
• Description: Open-source catalog of 2,899 malware families from EMBER 2018 with MITRE ATT&CK mapping, IOCs, detection guidance, and incident response playbooks.
• Formats: Parquet, JSONL, free JSON API
• Mirrors: Kaggle | Hugging Face
• License: Apache-2.0

[jordanricky1604-ship-it]

Hi! Just checking in to see if there is anything I need to update for this PR to be considered for merge. Thanks for maintaining this awesome list!