Add ChronicleBot front matter to iCalendar description

Co-authored-by: m-aciek <9288014+m-aciek@users.noreply.github.com>

Author: Copilot

docs/tools/meeting_dates.py

@@ -94,7 +94,8 @@ def generate_ics(app, exception):
             f"DTEND:{end.strftime('%Y%m%dT%H%M%SZ')}",
             "SUMMARY:Python Docs WG monthly meeting",
             "LOCATION:https://discord.com/channels/935215565872693329/1303462495977213992",
-            "DESCRIPTION:Agenda: https://hackmd.io/@encukou/pydocswg1",
+            "DESCRIPTION:---\\nevent_location: VC:1303462495977213992\\n---",
+            " \\nAgenda: https://hackmd.io/@encukou/pydocswg1",
             " \\nDiscord channel: https://discord.gg/yhvN2ECXSM",
             "END:VEVENT",
         ]