Add organizers json

etc/organizers.json

+[{
+  "_id": 1,
+  "email": "martha@mustermann.de",
+  "firstname": "Martha",
+  "lastname": "Mustermann",
+  "password": "secret"
+},{
+  "_id": 2,
+  "email": "max@mustermann.de",
+  "firstname": "Max",
+  "lastname": "Mustermann",
+  "password": "secret"
+}]
\ No newline at end of file