update adopter list on README

README.md

@@ -110,8 +110,11 @@ Here are the companies that have officially adopted DataHub. Please feel free to
 - [Adevinta](https://www.adevinta.com/)
 - [Banksalad](https://www.banksalad.com)
 - [Cabify](https://cabify.tech/)
+- [ClassDojo](https://www.classdojo.com/)
+- [Coursera](https://www.coursera.org/)
 - [DefinedCrowd](http:https://www.definedcrowd.com)
 - [DFDS](https://www.dfds.com/)
+- [Digital Turbine](https://www.digitalturbine.com/)
 - [Expedia Group](http:https://expedia.com)
 - [Experius](https://www.experius.nl)
 - [Geotab](https://www.geotab.com)
@@ -122,13 +125,18 @@ Here are the companies that have officially adopted DataHub. Please feel free to
 - [Klarna](https://www.klarna.com)
 - [LinkedIn](http:https://linkedin.com)
 - [Moloco](https://www.moloco.com/en)
+- [N26](https://n26brasil.com/)
+- [Optum](https://www.optum.com/)
 - [Peloton](https://www.onepeloton.com)
 - [Razer](https://www.razer.com)
 - [Saxo Bank](https://www.home.saxo)
+- [Showroomprive](https://www.showroomprive.com/)
+- [SpotHero](https://spothero.com)
 - [Stash](https://www.stash.com)
 - [Shanghai HuaRui Bank](https://www.shrbank.com)
 - [ThoughtWorks](https://www.thoughtworks.com)
 - [TypeForm](http:https://typeform.com)
+- [Udemy](https://www.udemy.com/)
 - [Uphold](https://uphold.com)
 - [Viasat](https://viasat.com)
 - [Wikimedia](https://www.wikimedia.org)