Enable readingTime remark plugin

astro.config.mjs

@@ -9,6 +9,7 @@ import image from '@astrojs/image';
 import mdx from '@astrojs/mdx';
 import partytown from '@astrojs/partytown';
 import compress from 'astro-compress';
+import { readingTimeRemarkPlugin } from './src/utils/frontmatter.mjs';
 
 import { SITE } from './src/config.mjs';
 
@@ -24,6 +25,10 @@ export default defineConfig({
 
   output: 'static',
 
+  markdown: {
+    remarkPlugins: [readingTimeRemarkPlugin],
+  },
+
   integrations: [
     tailwind({
       config: {
@@ -55,8 +60,6 @@ export default defineConfig({
     }),
   ],
 
-  markdown: {},
-
   vite: {
     resolve: {
       alias: {