Update README

Author: Austin Kelleher

README.md

@@ -1 +1,44 @@
 # playwright-aws-lambda
+
+Support for PlayWright running on AWS Lambda and Google Cloud Functions
+
+## Install
+
+```shell
+npm install playwrite-core playwright-aws-lambda --save
+```
+
+## Usage
+
+This package works with the `nodejs8.10`, `nodejs10.x` and `nodejs12.x` AWS
+Lambda runtimes out of the box.
+
+```javascript
+const playwright = require('playwright-aws-lambda');
+
+exports.handler = async (event, context) => {
+  let result = null;
+  let browser = null;
+
+  try {
+    const browser = await playwright.launchChromium();
+    const context = await browser.defaultContext();
+
+    const page = await context.newPage();
+    await page.goto(event.url || 'https://example.com');
+
+    console.log('Page title: ', await page.title());
+  } catch (error) {
+    throw err;
+  } finally {
+    if (browser !== null) {
+      await browser.close();
+    }
+  }
+};
+```
+
+## Thanks / Credits
+
+This project is based on the work of
+[chrome-aws-lambda](https://github.com/alixaxel/chrome-aws-lambda).