✨ provide event_id in event description

src/booking.py

@@ -147,12 +147,14 @@ class Event(models.Model):
         Create ics string
         :return:
         """
+        uuid = self.uuid.__str__()
         c = ICS_Calendar()
         e = ICS_Event()
-        e.uid = self.uuid.__str__()
+        e.uid = uuid
         e.name = self.name
         e.begin = self.start
         e.end = self.end
+        e.description = f"Meeting-ID: {uuid}"
         c.events.add(e)
         return c.serialize()