Add API contribution section to README.md

README.md

@@ -23,6 +23,9 @@ This extension has been acquired by _**Avast**_ and I simply don't trust Avast w
 
 We welcome contributions to the translation of the extension. If you're interested in helping us translate the extension to your language, you can join us on [Crowdin](https://crowdin.com/project/i-still-dont-care-about-cookie/).
 
+## Contributing to The API
+This extension sends requests to an API hosted at *[api.istilldontcareaboutcookies.com](https://api.stilldontcareaboutcookies.com)* - while this is a backend-facing piece of software, the source code is availabe [here on GitHub](https://github.com/OhMyGuus/I-Still-Dont-Care-About-Cookies-Api) and uses the C# ASP.NET library for an MVC structure.
+
 ## Credits / spotlights
 
 - [OhMyGuus](https://github.com/OhMyGuus/) - Current maintainer of this