docs: add readme

License: MIT
Signed-off-by: Henrique Dias <[email protected]>

Author: hacdias

README.md

@@ -1,3 +1,30 @@
-# JS Testground SDK
+# JavaScript Testground SDK
 
-Under construction.
+> ⚠️ This SDK is a work in progress and can change at any time. Use it at your own risk.
+
+![Testground logo](https://raw.githubusercontent.com/testground/pm/master/logo/TG_Banner_GitHub.jpg)
+
+[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](https://protocol.ai)
+![GitHub Workflow Status](https://img.shields.io/github/workflow/status/testground/sdk-js/ci/master?style=flat-square)
+![Codecov](https://img.shields.io/codecov/c/github/testground/sdk-js?style=flat-square)
+
+This repository contains the JavaScript SDK for developing [Testground](https://github.com/testground/testground) test plans.
+
+## Install
+
+```shell
+$ npm install @testground/sdk
+```
+
+## Usage
+
+See [testground.github.io/sdk-js](https://testground.github.io/sdk-js).
+
+## Issues
+
+Please report issues in the [`testground/testground` repo](https://github.com/testground/testground/issues).
+
+## License
+
+Dual-licensed: [MIT](./LICENSE-MIT), [Apache Software License v2](./LICENSE-APACHE), by way of the
+[Permissive License Stack](https://protocol.ai/blog/announcing-the-permissive-license-stack/).