Create validate-provenance

Signed-off-by: Jonathan D.A. Jewell <6759885+hyperpolymath@users.noreply.github.com>

Author: hyperpolymath

.githooks/validate-provenance

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+echo "Validating provenance manifests..."
+
+for file in $(git ls-files | grep -E '\.(adoc|txt)$'); do
+  if ! grep -qi "provenance" "$file"; then
+    echo "WARNING: Missing provenance reference in $file"
+  fi
+done
+
+exit 0