Add IETF121 (#391)

* Meeting IETF121: Add refresh despite CI complaints as per issue discussion

See-Also: #391 (comment)

menu/ietf121.json

@@ -0,0 +1,25 @@
+{
+	"version": 2024101001,
+	"url": "https://datatracker.ietf.org/meeting/121/agenda.ics",
+	"title": "IETF 121 Dublin",
+	"start": "2024-11-02",
+	"end": "2024-11-08",
+	"timezone": "Europe/Dublin",
+	"refresh_interval": 1800,
+	"metadata": {
+		"links": [
+			{
+				"url": "https://www.ietf.org/meeting/121/",
+				"title": "Website"
+			},
+			{
+				"url": "https://datatracker.ietf.org/meeting/121/floor-plan",
+				"title": "Floor plans"
+			},
+			{
+				"url": "https://wiki.ietf.org/en/meeting/121/sidemeetings",
+				"title": "Side meetings"
+			}
+		]
+	}
+}