switch to a fresh vue/vite project and appy just the basic sakai theme

frontend/e2e/vue.spec.js

@@ -0,0 +1,8 @@
+import { test, expect } from '@playwright/test';
+
+// See here how to get started:
+// https://playwright.dev/docs/intro
+test('visits the app root url', async ({ page }) => {
+    await page.goto('/');
+    await expect(page.getByTestId('greetings')).toHaveText('You did it!');
+});