feat: add metadata for SEO optimization in English and Persian message files

src/app/[locale]/layout.tsx

@@ -5,6 +5,31 @@ import { notFound } from 'next/navigation';
 import { NextIntlClientProvider } from 'next-intl';
 import type { IPageParams } from '@/models/layout.d';
 import Head from 'next/head';
+import { getTranslations } from 'next-intl/server';
+import { host } from '@/config';
+
+export async function generateMetadata({ params }: { params: IPageParams }) {
+  const { locale } = await params;
+  const t = await getTranslations({ locale });
+  const url = `${host}/${locale}`;
+
+  return {
+    title: {
+      default: t('meta.defaultTitle'),
+      template: t('meta.titleTemplate'),
+    },
+    description: t('meta.defaultDescription'),
+    openGraph: {
+      title: t('meta.defaultTitle'),
+      description: t('meta.defaultDescription'),
+      siteName: t('meta.siteName'),
+      type: 'website',
+      locale,
+      url,
+    },
+    authors: [{ name: t('meta.author') }],
+  };
+}
 
 export default async function RootLayout({
   children,