feat: code highlighting

src/views/ArticleView.vue

@@ -1,12 +1,13 @@
 <script setup lang="ts">
 import type { Article } from '@interfaces'
-import { ref, onBeforeMount } from 'vue'
+import { ref, onBeforeMount, onUpdated } from 'vue'
 import { loadArticle } from '@lib/articles'
 import { useRoute, onBeforeRouteUpdate, type RouteLocation } from 'vue-router'
 import NotFoundView from './NotFoundView.vue'
 import { dateFromParts, simpleDateFormat } from '@lib/dates'
 import { SIGNATURE, TITLE } from '@lib/meta'
 import PageFooter from '@components/PageFooter.vue'
+import hljs from 'highlight.js'
 
 const article = ref<Article | null>(null)
 const loading = ref<boolean>(true)
@@ -27,6 +28,10 @@ async function loadPage(target: RouteLocation) {
 
 onBeforeMount(() => loadPage(route))
 onBeforeRouteUpdate(loadPage)
+
+onUpdated(() => {
+  hljs.highlightAll()
+})
 </script>
 
 <template>