add Greenwood to generators

Author: thescientist13

src/site/generators/greenwood.md

@@ -0,0 +1,16 @@
+---
+title: Greenwood
+repo: ProjectEvergreen/greenwood
+homepage: https://www.greenwoodjs.io
+language:
+  - JavaScript
+license:
+  - MIT
+templates:
+  - HTML
+  - Web Components
+description: Your workbench for the web.
+---
+Greenwood embraces web standards to keep the focus on your work, not the framework.  Unbundled local development, file based routing, and as simple to start as an index.html or markdown file.  From static to serverless, Greenwood is your workbench for the web.
+
+Checkout out our [Getting Started guide](https://www.greenwoodjs.io/getting-started/) to get started with Greenwood today!