redmarkets-negotiation/credits.md

WIP credits:

• Banner image from https://benjaminhuen.blogspot.com/2010/12/spetch-dump.html
• Icon from https://opengameart.org/content/700-rpg-icons
• NordSudA font from https://fontlibrary.org/en/font/nord-sud
• Theme modified from https://github.com/arulrajnet/attila