Merge branch 'add-nlnet-to-funders' into 'master'

Add NLnet to list of funders

See merge request !34

layouts/shortcodes/funding.md

@@ -3,4 +3,4 @@ the [Open Internet Tools Project](https://web.archive.org/web/20160413063937/htt
 [Access](https://accessnow.org/),
 the [Open Technology Fund](https://www.opentech.fund/),
 the [Prototype Fund](https://prototypefund.de/),
-and [Internews](https://www.internews.org/).
\ No newline at end of file
+[Internews](https://www.internews.org/) and the [NLnet Foundation](https://nlnet.nl/).