Add per-url aliases

src/app/components/CalendarEventMeta.svelte

@@ -6,16 +6,17 @@
 
   type Props = {
     event: TrustedEvent
+    url: string
   }
 
-  const {event}: Props = $props()
+  const {event, url}: Props = $props()
   const meta = $derived(fromPairs(event.tags) as Record<string, string>)
 </script>
 
 <div class="flex min-w-0 flex-col gap-1 text-sm opacity-75">
   <span class="flex items-center gap-1">
     <Icon icon="user-circle" size={4} />
-    Posted by <ProfileLink pubkey={event.pubkey} />
+    Posted by <ProfileLink pubkey={event.pubkey} {url} />
   </span>
   {#if meta.location}
     <span class="flex items-start gap-1">