drive-on-metz-counters v1.1.5

A test module to create svg images from the wargame data.

The script reads the unit data for the Drive on Metz wargame.

It then uses the svgCounterCalculator to create a svg text of the counter image, and then saves the svg data as an svg file.

Using execa package, It then runs mogrify -format png *.svg' to convert svg files to png image files