Initial commit: ASL handshape recognition project

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

1prep.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Single letters:
+python prep_landmarks_binary.py --letter A
+# etc for B-Z
+
+# OR all letters at once:
+# for L in {A..Z}; do
+#   python prep_landmarks_binary.py --letter "$L"
+# done
+