add remark plugin for summarization

astro.config.mjs

@@ -1,6 +1,7 @@
 import { defineConfig } from "astro/config";
 import mdx from '@astrojs/mdx';
 import vue from '@astrojs/vue';
+import { remarkDescription } from './src/plugins.ts';
 
 export default defineConfig({
     integrations: [
@@ -9,6 +10,7 @@ export default defineConfig({
     ],
     prefetch: true,
     markdown: {
+        remarkPlugins: [remarkDescription],
         shikiConfig: {
             themes: {
                 light: 'dracula',