Add Dortmund Hackergarten events for April, June and November

Author: CapnDeCode

events.json

@@ -23,6 +23,18 @@
         ],
         "achievements": []
     },
+    {
+        "date": "2025-11-04",
+        "venue": "Karakun @ Digitale Werkbank Dortmund",
+        "address": "Kanalstr. 25, 44147 Dortmund",
+        "links": [
+            {
+                "title": "Meetup",
+                "url": "https://www.meetup.com/de-DE/hackergarten-dortmund/events/306416460"
+            }
+        ],
+        "achievements": []
+    },
     {
         "date": "2025-10-07",
         "venue": "codecentric AG",
@@ -71,6 +83,18 @@
         ],
         "achievements": []
     },
+    {
+        "date": "2025-06-24",
+        "venue": "Karakun @ Digitale Werkbank Dortmund",
+        "address": "Kanalstr. 25, 44147 Dortmund",
+        "links": [
+            {
+                "title": "Meetup",
+                "url": "https://www.meetup.com/hackergarten-dortmund/events/306416450"
+            }
+        ],
+        "achievements": []
+    },
     {
         "date": "2025-06-03",
         "venue": "codecentric AG",
@@ -95,6 +119,18 @@
         ],
         "achievements": []
     },
+    {
+        "date": "2025-04-01",
+        "venue": "Karakun @ Digitale Werkbank Dortmund",
+        "address": "Kanalstr. 25, 44147 Dortmund",
+        "links": [
+            {
+                "title": "Meetup",
+                "url": "https://www.meetup.com/hackergarten-dortmund/events/306416425"
+            }
+        ],
+        "achievements": []
+    },
     {
         "date": "2025-04-01",
         "venue": "codecentric AG",