README: add Netlify link.

README.md

@@ -73,6 +73,10 @@ Our bottles (binary packages) are hosted by [Bintray](https://bintray.com/homebr
 
 [![Downloads by Bintray](https://bintray.com/docs/images/downloads_by_bintray_96.png)](https://bintray.com/homebrew)
 
+[Our website](https://brew.sh) is hosted by [Netlify](https://www.netlify.com).
+
+[![Deploys by Netlify](https://www.netlify.com/img/global/badges/netlify-color-accent.svg)](https://www.netlify.com)
+
 Secure password storage and syncing provided by [1Password for Teams](https://1password.com/teams/) by [AgileBits](https://agilebits.com)
 
 [![AgileBits](https://da36klfizjv29.cloudfront.net/assets/branding/agilebits-fcca96e9b8e815c5c48c6b3e98156cb5.png)](https://agilebits.com)