Add node_modules, .DS_Store to .gitignore
"resources" folder with original NGS SVG artwork

[#65297336]
SlimerJS script for cropping SVG images to size

[#65297336]

Need to run 'svgo' on each image before *and* after.
optimize all the SVG resources before cropping

[#65297336]

(svgo, default settings)
crop all svg images using SlimerJS script

[#65297336]
reoptimize cropped images

[#65297336]