Added Zeuscart

The URL pattern looks sufficiently precise. The HTML pattern is probably too precise, but I don't want it to match too much either.

I could not find a 32×32 icon.

Demo site: http://demo.zeuscart.com

Websites using Zeuscart can be found using this search query: https://encrypted.google.com/search?safe=active&q=inurl%3A"do%3Dprodetail"+-site%3Amds-gruppe.com