Create a brief landing page that describes what compensated does

[zspencer]

In order to begin acquiring contributions to and selling licenses for

Core Goals

• [x] Get a static site hostable on github-pages which describes the core value proposition of the library (Reduce bugs by standardizing application behavior across payment processors)
• [x] Link to the issue tracker for bug reporting
• [x] Include a way for them to begin buying the license (for now, asking them to email info+compensated@zinc.coop or an embedded airtable form is probably OK)

Stretch

• [ ] Include API docs for the ruby gem from YARD!

Tech Suggestions

• [ ] Use the gh-pages library to deploy
• [ ] Configure PostCSS with Tailwind or Tachyons for styling

[zspencer]

This was resolved by https://github.com/zinc-collective/www.zinc.coop/pull/11