Add Nikolai Jahreis to the list of contributors

README.md

@@ -854,6 +854,7 @@ Moodle an Hochschulen e.V. would like to thank these main contributors (in alpha
 * Solent University, Mark Sharp: Code
 * ssystems GmbH, Alexander Bias: Code, Peer Review, Ideating, Funding
 * Technische Universität Berlin, Lars Bonczek: Code
+* University of Bayreuth, Nikolai Jahreis: Code
 * University of Graz, André Menrath: Code
 * University of Lübeck, Christian Wolters: Code, Peer Review, Ideating
 * Zurich University of Applied Sciences (ZHAW): Funding, Ideating