use named export

README.md

@@ -37,6 +37,8 @@ This getter retrieves the context created by the appropriate asynchronously ance
 ## Example
 
 ```javascript
+let { Contexty } = require('contexty')
+
 let contexty = new Contexty()
 
 let counter = 0

rollup.config.js

@@ -1,5 +1,5 @@
 export default {
-	entry: './src/Contexty.js',
+	entry: './src/index.js',
 	external: ['async_hooks'],
 	interop: false,
 	sourceMap: true,

src/index.js

@@ -0,0 +1 @@
+export { default as Contexty } from './Contexty.js'