feat: add NIP-88 poll support

src/app/components/NoteContentMinimalPoll.svelte

@@ -0,0 +1,22 @@
+<script lang="ts">
+  import type {ComponentProps} from "svelte"
+  import {derived} from "svelte/store"
+  import {PollResponse} from "nostr-tools/kinds"
+  import {repository} from "@welshman/app"
+  import {deriveArray, deriveEventsById} from "@welshman/store"
+  import ContentMinimal from "@app/components/ContentMinimal.svelte"
+  import {getPollResults} from "@app/util/polls"
+
+  const props: ComponentProps<typeof ContentMinimal> = $props()
+
+  const responses = deriveArray(
+    deriveEventsById({repository, filters: [{kinds: [PollResponse], "#e": [props.event.id]}]}),
+  )
+
+  const results = derived(responses, $responses => getPollResults(props.event, $responses))
+</script>
+
+<div class="flex flex-col gap-1">
+  <span class="text-sm">{props.event.content || "Poll"}</span>
+  <span class="text-xs opacity-50">{$results.voters} voter{$results.voters === 1 ? "" : "s"}</span>
+</div>