docs(readme): add lighthouse-badges to related projects (#5969)

readme.md

@@ -280,6 +280,7 @@ Other awesome open source projects that use Lighthouse.
 * **[lighthouse-hue](https://github.com/ebidel/lighthouse-hue)** - set the color of Philips Hue lights based on a Lighthouse score
    * **[lighthouse-magic-light](https://github.com/manekinekko/lighthouse-magic-light)** set the color of the MagicLight Bluetooth Smart Light Bulb based on Lighthouse score
 * **[lighthouse-batch](https://www.npmjs.com/package/lighthouse-batch)** - run Lighthouse over a number of sites and generate a summary of their metrics/scores.
+* **[lighthouse-badges](https://github.com/emazzotta/lighthouse-badges)** - Generate gh-badges (shields.io) based on Lighthouse performance.
 * **[lighthouse-cron](https://github.com/thearegee/lighthouse-cron)** - Cron multiple batch Lighthouse audits and emit results for sending to remote server.
 * **[lightcrawler](https://github.com/github/lightcrawler)** - Crawl a website and run each page found through Lighthouse.
 * **[lighthouse-lambda](https://github.com/joytocode/lighthouse-lambda)** - Run Lighthouse on AWS Lambda with prebuilt stable desktop Headless Chrome.