refactor: use metadata export for seo

layouts/PostLayout.tsx

@@ -9,7 +9,7 @@ import SectionContainer from '@/components/SectionContainer'
 import Image from '@/components/Image'
 import Tag from '@/components/Tag'
 import siteMetadata from '@/data/siteMetadata'
-// import ScrollTopAndComment from '@/components/ScrollTopAndComment'
+import ScrollTopAndComment from '@/components/ScrollTopAndComment'
 
 const editUrl = (path) => `${siteMetadata.siteRepo}/blob/master/data/${path}`
 const discussUrl = (path) =>
@@ -37,8 +37,7 @@ export default function PostLayout({ content, authorDetails, next, prev, childre
 
   return (
     <SectionContainer>
-      {/* <BlogSEO url={`${siteMetadata.siteUrl}/${path}`} authorDetails={authorDetails} {...content} /> */}
-      {/* <ScrollTopAndComment /> */}
+      <ScrollTopAndComment />
       <article>
         <div className="xl:divide-y xl:divide-gray-200 xl:dark:divide-gray-700">
           <header className="pt-6 xl:pb-6">