Extension: Optimize image files

[tumidi]

Optimize image files for files sizes:

• SVG
• PNG

Findings for optimizing SVG files

Filename	% of Original	File size (bytes)	Method
test.svg	100	12644	Original
test_scour.svg	68	8657	Scour (normal)
test_scour_max.svg	65	8254	Scour (max)
test_svgo.svg	46	5844	SVGO

Experiments

Use SVGO configuration/parameters from https://gitlab.tu-berlin.de/innodoc/playground/tree/tikz2svg