restore giscus script

Author: hooreique

src/_includes/scenario.vto

@@ -27,4 +27,22 @@
   style="margin-bottom:2rem"
   class="giscus"
 ></section>
+
+<script
+  src="https://giscus.app/client.js"
+  data-repo="hooreique/hooreique.github.io"
+  data-repo-id="R_kgDONvT8mw"
+  data-category="Announcements"
+  data-category-id="DIC_kwDONvT8m84CmWKF"
+  data-mapping="pathname"
+  data-strict="1"
+  data-reactions-enabled="1"
+  data-emit-metadata="0"
+  data-input-position="bottom"
+  data-theme="preferred_color_scheme"
+  data-lang="ko"
+  data-loading="lazy"
+  crossorigin="anonymous"
+  async
+></script>
 {{ /layout }}