feat: 更新博客框架到 v2。 (#3)

Co-authored-by: Ivan Li <ivanli2048@gmail.com>
Reviewed-on: #3

app/about/page.tsx

@@ -0,0 +1,20 @@
+import { Authors, allAuthors } from 'contentlayer/generated'
+import { MDXLayoutRenderer } from 'pliny/mdx-components'
+import AuthorLayout from '@/layouts/AuthorLayout'
+import { coreContent } from 'pliny/utils/contentlayer'
+import { genPageMetadata } from 'app/seo'
+
+export const metadata = genPageMetadata({ title: 'About' })
+
+export default function Page() {
+  const author = allAuthors.find((p) => p.slug === 'default') as Authors
+  const mainContent = coreContent(author)
+
+  return (
+    <>
+      <AuthorLayout content={mainContent}>
+        <MDXLayoutRenderer code={author.body.code} />
+      </AuthorLayout>
+    </>
+  )
+}