don't make requests in sibling navigation

svelte/src/user_buckets/UserBuckets.svelte

@@ -0,0 +1,39 @@
+<script>
+import { onMount } from "svelte";
+import Spinner from "../util/Spinner.svelte";
+import { fs_get_buckets } from "../filesystem/FilesystemAPI.svelte";
+
+let loading = true
+let buckets = []
+
+const get_buckets = async () => {
+	try {
+		let resp = await fs_get_buckets()
+		buckets = resp.buckets
+	} catch (err) {
+		alert(err)
+	} finally {
+		loading = false
+	}
+}
+
+onMount(get_buckets)
+
+</script>
+
+<div>
+	{#if loading}
+		<div class="spinner_container"><Spinner></Spinner></div>
+	{/if}
+
+	{#each buckets as bucket}
+	<a href={"/d/"+bucket.id}>{bucket.name}</a>
+	{/each}
+</div>
+<style>
+	.spinner_container {
+		display: inline-block;
+		height: 100px;
+		width: 100px;
+	}
+</style>