added UVtools patch

UVtools/pcb-expose-patched.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+#
+# Wrapper for a locally patched UVtoolsCmd build that provides the
+# native `pcb-expose` command (see pcb-expose.patch).
+#
+# Usage:
+#   pcb-expose-patched.sh <dummy-file> <gerber-files...> [options]
+#
+# Example:
+#   pcb-expose-patched.sh Dummy.pm4n \
+#       Board-F.Cu.gtl \
+#       --invert --mirror --exposure 120 \
+#       --output Board-F.Cu.pm4n
+#
+# Configure the path to your patched build below, or override via:
+#   UVTOOLSCMD=/path/to/UVtoolsCmd pcb-expose-patched.sh ...
+
+set -euo pipefail
+
+UVTOOLSCMD="${UVTOOLSCMD:-$HOME/proj/UVtools/publish/UVtoolsCmd}"
+
+if [ ! -x "$UVTOOLSCMD" ]; then
+    echo "Error: UVtoolsCmd not found or not executable at: $UVTOOLSCMD" >&2
+    echo "Set UVTOOLSCMD=/path/to/UVtoolsCmd or edit this script." >&2
+    exit 1
+fi
+
+exec "$UVTOOLSCMD" pcb-expose "$@"