Add HRI conference

Author: victoriazinkovich

conference_timeline/conference_data.json

@@ -23,4 +23,12 @@
         "start_date": "2026-01-01 00:00:00",
         "end_date": "2026-01-01 00:00:00"
     }
-]
+    {
+        "title": "HRI",
+        "abstract_deadline": "2025-09-22 23:59:59",
+        "paper_deadline": "2025-09-30 23:59:59",
+        "notification_date": "2026-12-01 23:59:59",
+        "start_date": "2026-01-01 00:00:00",
+        "end_date": "2026-01-01 00:00:00"
+    }
+]