fix: Giscus style

Author: iamStephenFang

astro.config.ts

@@ -5,14 +5,14 @@ import remarkToc from "remark-toc";
 import remarkCollapse from "remark-collapse";
 import { SITE } from "./src/config";
 
+import react from "@astrojs/react";
+
 // https://astro.build/config
 export default defineConfig({
   site: SITE.website,
-  integrations: [
-    sitemap({
-      filter: page => SITE.showArchives || !page.endsWith("/archives"),
-    }),
-  ],
+  integrations: [sitemap({
+    filter: page => SITE.showArchives || !page.endsWith("/archives"),
+  }), react()],
   markdown: {
     remarkPlugins: [remarkToc, [remarkCollapse, { test: "Table of contents" }]],
     shikiConfig: {
@@ -36,4 +36,4 @@ export default defineConfig({
     svg: true,
     responsiveImages: true,
   },
-});
+});