Add calendar event editing

src/app/components/CalendarEventEdit.svelte

@@ -0,0 +1,35 @@
+<script lang="ts">
+  import type {TrustedEvent} from "@welshman/util"
+  import {getTagValue} from "@welshman/util"
+  import ModalHeader from "@lib/components/ModalHeader.svelte"
+  import CalendarEventForm from "@app/components/CalendarEventForm.svelte"
+
+  type Props = {
+    url: string
+    event: TrustedEvent
+  }
+
+  const {url, event}: Props = $props()
+
+  const initialValues = {
+    d: getTagValue("d", event.tags)!,
+    title: getTagValue("title", event.tags)!,
+    location: getTagValue("location", event.tags)!,
+    start: parseInt(getTagValue("start", event.tags)!),
+    end: parseInt(getTagValue("end", event.tags)!),
+    content: event.content,
+  }
+</script>
+
+<CalendarEventForm {url} {initialValues}>
+  {#snippet header()}
+    <ModalHeader>
+      {#snippet title()}
+        <div>Edit this Event</div>
+      {/snippet}
+      {#snippet info()}
+        <div>Invite other group members to events online or in real life.</div>
+      {/snippet}
+    </ModalHeader>
+  {/snippet}
+</CalendarEventForm>