milestone: publish alpha version (#637)

- document folder
- full-text search
- blob storage
- basic edgeless support

Co-authored-by: tzhangchi <terry.zhangchi@outlook.com>
Co-authored-by: QiShaoXuan <qishaoxuan777@gmail.com>
Co-authored-by: DiamondThree <diamond.shx@gmail.com>
Co-authored-by: MingLiang Wang <mingliangwang0o0@gmail.com>
Co-authored-by: JimmFly <yangjinfei001@gmail.com>
Co-authored-by: Yifeng Wang <doodlewind@toeverything.info>
Co-authored-by: Himself65 <himself65@outlook.com>
Co-authored-by: lawvs <18554747+lawvs@users.noreply.github.com>
Co-authored-by: Qi <474021214@qq.com>

tests/exception-page.spec.ts

@@ -0,0 +1,14 @@
+import { test, expect } from '@playwright/test';
+import { loadPage } from './libs/load-page';
+
+loadPage();
+
+// ps aux | grep 8080
+test.describe('exception page', () => {
+  test('visit 404 page', async ({ page }) => {
+    await page.goto('http://localhost:8080/404');
+    await page.waitForTimeout(1000);
+    const notFoundTip = page.getByText('404 - Page Not Found');
+    expect(await notFoundTip.isVisible()).toBe(true);
+  });
+});