chore: add jsmonthly x svelte london meetup

Author: ghostdevv

src/assets/events/2025-12-11-svelte-london.png

@@ -0,0 +1,9 @@
+{
+	"name": "XMAS Special - JSMonthly x Svelte London Meetup",
+	"place": "in-person",
+	"type": "meetup",
+	"url": "https://guild.host/events/xmas-special-jsmonthly-x0c1hz",
+	"thumbnail": "$assets/events/2025-12-11-svelte-london.png",
+	"start": "2025-12-11T18:00:00+00:00",
+	"end": "2025-12-11T21:00:00+00:00"
+}