feat(back-end): introduce payload

Payload is the next.js Headless CMS and App Framework,
I would like to pick it up and modify it as it is MIT licensed.

Many features in Payload is not applicable for our project.
So, I modify it so that it is light and clear.

1 files changed, 49 insertions, 0 deletions

diff --git a/src/app/(main)/not-found.tsx b/src/app/(main)/not-found.tsx
new file mode 100644
index 0000000..ecec57a
--- /dev/null
+++ b/src/app/(main)/not-found.tsx
@@ -0,0 +1,49 @@
+import { Header } from '@/components/sections/header';
+import { createMetadata } from '@/lib/metadata';
+import { HomeLayout } from 'fumadocs-ui/layouts/home';
+import { getLinks } from 'fumadocs-ui/layouts/shared';
+import type { Metadata } from 'next';
+import { baseOptions, linkItems } from './layout.config';
+
+export default function NotFound() {
+  return (
+    <HomeLayout
+      {...baseOptions}
+      links={linkItems}
+      nav={{
+        component: (
+          <Header
+            finalLinks={getLinks(linkItems, baseOptions.githubUrl)}
+            {...baseOptions}
+          />
+        ),
+      }}
+      className='pt-0'
+    >
+      <main className='flex flex-1 px-4 sm:px-8 md:px-12 lg:px-16 2xl:px-24'>
+        <div className='container flex min-h-full flex-1 items-center justify-center border-border/70 border-x border-b border-dashed dark:border-border'>
+          <div className='flex flex-auto flex-col items-center justify-center px-4 text-center sm:flex-row'>
+            <h1 className='border-border font-extrabold text-2xl text-foreground tracking-tight sm:mr-6 sm:border-r sm:pr-6 sm:text-3xl'>
+              404
+            </h1>
+            <h2 className='mt-2 text-muted-foreground sm:mt-0'>
+              This page could not be found.
+            </h2>
+          </div>
+        </div>
+      </main>
+    </HomeLayout>
+  );
+}
+
+export async function generateMetadata(props: {
+  params: Promise<{ slug?: string[] }>;
+}): Promise<Metadata> {
+  const params = await props.params;
+  const description = 'The page you are looking for could not be found.';
+
+  return createMetadata({
+    title: 'Not Found',
+    description,
+  });
+}