feat: 添加返回启动页面功能，支持用户快速返回

src/routes/create/+page.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
 import { afterNavigate, goto } from '$app/navigation';
+import Close from '$lib/components/icons/Close.svelte';
 import { openedDatasetDir } from '$lib/stores/dataset';
 import { currentActivate } from '$lib/stores/navigate';
 import type { DatasetMeta } from '$lib/types/meta';
@@ -15,6 +16,10 @@ afterNavigate(() => {
 let storePath = $state('');
 let datasetName = $state('');
 
+async function backToBoot() {
+  await goto('/boot');
+}
+
 async function selectStorePath() {
   try {
     const selectResult = await open({
@@ -85,6 +90,14 @@ async function createDataset() {
 }
 </script>
 
+<button
+  class="btn btn-circle btn-error btn-sm fixed top-12 right-6 z-10"
+  title="Back to boot"
+  aria-label="Back to boot"
+  onclick={backToBoot}>
+  <Close width="24" />
+</button>
+
 <main class="flex flex-col gap-2 p-4 self-center">
   <h2>Create new dataset</h2>
   <div class="join">