docs: add link to project website in README.md

Author: jeffreylanters

README.md

@@ -3,3 +3,5 @@
 This repository contains a template for integrating Unity WebGL builds into React applications. It provides a seamless way to embed Unity content within React components, allowing developers to leverage the power of both technologies.
 
 This template is designed to be used as a starting point for projects that require Unity WebGL integration, offering a structured setup with essential configurations and workflows. It includes a small example Unity project to demonstrate the integration process.
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+Check it out at [react-unity-webgl-template](https://template.react-unity-webgl.dev)!