add nginx.dev.conf for development environment

add functionality of scheduler to send right event
data to the clients
added route for file download

scheduler/scheduler.py

@@ -55,22 +55,17 @@ def main():
 
     while True:
         now = datetime.datetime.now(datetime.timezone.utc)
-        # Hole alle aktiven Events (Vergleich mit UTC)
+        # Hole alle aktiven Events (bereits formatierte Dictionaries)
         events = get_active_events(now, now)
 
         # Gruppiere Events nach group_id
         groups = {}
         for event in events:
-            gid = getattr(event, "group_id", None)
+            gid = event.get("group_id")
             if gid not in groups:
                 groups[gid] = []
-            groups[gid].append({
-                "id": event.id,
-                "title": getattr(event, "title", ""),
-                "start": str(getattr(event, "start", "")),
-                "end": str(getattr(event, "end", "")),
-                "group_id": gid,
-            })
+            # Event ist bereits ein Dictionary im gewünschten Format
+            groups[gid].append(event)
 
         # Sende pro Gruppe die Eventliste als retained Message, nur bei Änderung
         for gid, event_list in groups.items():