feat: blog slug 페이지 giscus PostComments 컴포넌트 적용

Author: devwqc

src/pages/blog/[...slug].astro

@@ -1,6 +1,7 @@
 ---
 import FormattedDate from '@/components/FormattedDate.astro';
 import MarkDown from '@/components/Markdown.astro';
+import PostComments from '@/components/PostComments.astro';
 import PageLayout from '@/layouts/PageLayout.astro';
 import { getCollection, type CollectionEntry } from 'astro:content';
 
@@ -41,9 +42,11 @@ const { Content } = await post.render();
     <MarkDown>
       <Content />
     </MarkDown>
-    <footer>
+    <footer class="pb-10">
+      <p>Issue on GitHub</p>
       <p>방문해 주셔서 감사합니다.</p>
       <p>오탈자, 잘못된 정보에 대해 말씀해 주시면 감사히 받겠습니다.</p>
     </footer>
+    <PostComments />
   </article>
 </PageLayout>