Optimize PNGs

FileOptimizer

840 Files Processed (25% File Size Saved)
2708443 Bytes = 2644.963867 Kilobytes = 2.582972527 Megabytes

Are the Help Images seperate/linked from the website.io
Only 417 files here...?
My Github GUI says something about a Subproject commit for Embroidermodder\help...
...so will try and make that as a seperate add/after commit to this PR just if something went wrong with some of them for some odd reason.

Decent start anyway.
Reduce Size/Loading Times/Preserve Quality/Strip Metadata/etc