Update event links and add Halloween Special event

Author: danielwagn3r

data/events.json

@@ -47,7 +47,20 @@
         "location": "Verbund",
         "address": "Am Hof 6a, 1010 Wien",
         "sessionname": "Anmelden",
-        "sessionlink": "https://www.eventbrite.at/e/wien-at-verbund-halloween-special-am-18-oktober-24-registrierung-1028256100677",
+        "sessionlink": "https://www.eventbrite.at/e/coderdojo-wien-at-verbund-am-18-oktober-24-registrierung-1011131319997",
+        "image": "/img/event/wien.jpg",
+        "type" : "onsite"
+    },
+    {
+        "startdate": "2024-10-31T16:00:00+0200",
+        "enddate": "2024-10-31T18:00:00+0200",
+        "eventname": "CoderDojo Wien Halloween Special",
+        "organizer" : "digital.austria",
+        "organizerurl": "https://digital-austria.at",
+        "location": "Verbund",
+        "address": "Am Hof 6a, 1010 Wien",
+        "sessionname": "Anmelden",
+        "sessionlink": "https://www.eventbrite.at/e/wien-at-verbund-halloween-special-am-31-oktober-24-registrierung-1028256100677",
         "image": "/img/event/wien.jpg",
         "type" : "onsite"
     },