doc: add funding hint

Author: angelo-v

Readme.md

@@ -59,4 +59,11 @@ The development Solid server is running at http://localhost:3000/
 
 ### Contributing
 
-You want to contribute? Great! Take a look into our [contributing guide](./CONTRIBUTING.md)
+You want to contribute? Great! Take a look into our [contributing guide](./CONTRIBUTING.md)
+
+## Funding
+
+This project is funded through [NGI0 Commons Fund](https://nlnet.nl/commonsfund), a fund established by [NLnet](https://nlnet.nl) with financial support from the European Commission's [Next Generation Internet](https://ngi.eu) program. Learn more at the [NLnet project page](https://nlnet.nl/project/PodOS).
+
+[<img src="https://nlnet.nl/logo/banner.png" alt="NLnet foundation logo" width="20%" />](https://nlnet.nl)
+[<img src="https://nlnet.nl/image/logos/NGI0_tag.svg" alt="NGI Zero Logo" width="20%" />](https://nlnet.nl/commonsfund)