Init rebase to Svelte and TS

src/routes/page.svelte.spec.ts

@@ -0,0 +1,13 @@
+import { page } from '@vitest/browser/context';
+import { describe, expect, it } from 'vitest';
+import { render } from 'vitest-browser-svelte';
+import Page from './+page.svelte';
+
+describe('/+page.svelte', () => {
+	it('should render h1', async () => {
+		render(Page);
+
+		const heading = page.getByRole('heading', { level: 1 });
+		await expect.element(heading).toBeInTheDocument();
+	});
+});