add myself to zenodo.json

.zenodo.json

@@ -264,6 +264,11 @@
       "affiliation": "Climate Resource, Berlin, Germany",
       "orcid": "0000-0002-7814-8916"
     },
+    {
+      "name": "Keyser, Johannes",
+      "affiliation": "Faculty of Psychology and Human Movement Science, University of Hamburg, Hamburg, Germany",
+      "orcid": "0000-0001-8343-4362"
+    },
     {
       "name": "Hanke, Michael",
       "affiliation": "Institute of Neuroscience and Medicine, Brain & Behaviour (INM-7), Research Centre Jülich, Jülich, Germany and Institute of Systems Neuroscience, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany",