Add doc links to README.md

README.md

@@ -3,3 +3,19 @@
 Record [`PerformanceEntry`](https://w3c.github.io/performance-timeline/#dom-performanceentry) objects from [Node.js](https://nodejs.org/api/perf_hooks.html) and the [Web](https://w3c.github.io/performance-timeline) in the [Trace Event Format](https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/preview), so that it can be visualized on <https://ui.perfetto.dev> like this!
 
 ![](./docs/examples/tracing-requires/perfetto.png)
+
+The code for this example is available [here](docs/examples/tracing-requires).
+
+## Install
+
+```
+npm i perftrace
+```
+
+## Usage
+
+Check out the [API documentation](docs/api) and the [code examples](docs/examples).
+
+## License
+
+This project is available under the [MIT license](https://opensource.org/license/MIT). See [LICENSE](LICENSE) for the full license text.