[fix] remove Sverdle from Stackblitz template

.changeset/great-geese-sort.md

@@ -0,0 +1,5 @@
+---
+'create-svelte': patch
+---
+
+[fix] remove Sverdle from Stackblitz template

packages/create-svelte/scripts/update-template-repo-contents.js

@@ -21,3 +21,22 @@ await create(repo, {
 	prettier: true,
 	playwright: false
 });
+
+// Remove the Sverdle from the template because it doesn't work within Stackblitz (cookies not set)
+fs.rmSync(path.join(repo, 'src', 'routes', 'sverdle'), { force: true, recursive: true });
+
+const header_file = path.join(repo, 'src', 'routes', 'Header.svelte');
+const header = fs.readFileSync(header_file, 'utf-8');
+fs.writeFileSync(
+	header_file,
+	// Remove the Sverdle link from the header
+	header.replace(/<\/li>\s+<li.+?'\/sverdle'[\s\S]+?<\/li>/, '</li>')
+);
+
+const about_file = path.join(repo, 'src', 'routes', 'about', '+page.svelte');
+const about = fs.readFileSync(about_file, 'utf-8');
+fs.writeFileSync(
+	about_file,
+	// Remove the Sverdle paragraph from the about page
+	about.replace(/<\/p>\s+<p>\s+?[\s\S]+?Sverdle[\s\S]+?<\/p>/, '</p>')
+);