Add missing stamp.sh

stamp.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# The directory to stamp in
+EXPORT_DIR=build
+
+if [ -z "$1" ]; then
+    echo "Error: Missing tag to stamp"
+    exit 1
+fi
+
+# Stamp the provided version number on the screenshot
+convert "${EXPORT_DIR}/screenshot.png" \
+    -gravity southeast -fill "#b9b5c5" -font "DejaVu-Serif" -annotate +0+1 "${1}"\
+    -gravity southeast -fill "#696b7f" -font "DejaVu-Serif" -annotate -1-0 "${1}"\
+    -gravity southeast -fill "#b9b5c5" -font "DejaVu-Serif" -annotate 0 "${1}"\
+    "${EXPORT_DIR}/screenshot.png" || { echo "Failed to stamp versioning info onto ${EXPORT_DIR}/screenshot.png"; exit 1; }