Add support for lit-css (#38)

Author: web-padawan

README.md

@@ -23,6 +23,7 @@ PostCSS JSX Syntax
 - [styled-components](https://github.com/styled-components/styled-components)
 - [styletron-react](https://github.com/rtsao/styletron)
 - [typestyle](https://github.com/typestyle/typestyle)
+- [lit-css](https://github.com/bashmish/lit-css)
 
 ## Getting Started
 

extract.js

@@ -37,6 +37,9 @@ const supports = {
 	// https://github.com/paypal/glamorous
 	glamorous: true,
 
+	// https://github.com/bashmish/lit-css
+	"lit-css": true,
+
 	// https://github.com/js-next/react-style
 	"react-style": true,