Add support for combined datasets and analysis

setup.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# Creates the directory layout:
+#   data/
+#     tar/
+#     pcap/
+#     processed/
+
+set -euo pipefail
+
+root="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+mkdir -p "$root"/data/{tar,pcap,processed,combined}
+
+echo "Directory structure ready under $root/data/"