README: Flesh out

Author: TheBizzle

README.md

@@ -1 +1,13 @@
+# Color Picker
+
+## What Is It?
+
+A Chrome devtools-like color picker for NetLogo, implemented in TypeScript, for use in the NetLogo desktop application (via JavaFX) and in NetLogo Web.
+
+## Building
+
+Run `stage.sh`.
+
+## Acknowledgements
+
 Big thanks to Case Sandberg for [this project](https://github.com/casesandberg/react-color/tree/master/src/components/chrome), which provided the inspiration for the graphical design of the early versions of the "Advanced" color picker's UI.