add makepng script for stitching images

makepng.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+shopt -s nullglob
+
+title="${1}"
+
+# the files have to be named such that they'll be added in the right order; if
+# necessary run something like the following to 0-pad numbered filenames:
+#
+# for i in *; do if [[ -d ${i} ]]; then pushd ${i}; for n in $(seq 1 9); do mv ${n}.jpg 0${n}.jpg; done; popd; fi; done
+
+for i in "${title}"/*; do
+  subdir="$(basename "${i}")"
+  if [[ -d "${i}" ]]; then
+    pushd "${i}" || exit 1
+    convert ./* -append "${subdir}-combined.png"
+    popd || exit 1
+  fi
+done