feat(md): add _blank for all links with http/https (#141)

vite.config.ts

@@ -10,6 +10,7 @@ import WindiCSS from 'vite-plugin-windicss'
 import { VitePWA } from 'vite-plugin-pwa'
 import VueI18n from '@intlify/vite-plugin-vue-i18n'
 import Prism from 'markdown-it-prism'
+import LinkAttributes from 'markdown-it-link-attributes'
 
 export default defineConfig({
   resolve: {
@@ -37,6 +38,13 @@ export default defineConfig({
       markdownItSetup(md) {
         // https://prismjs.com/
         md.use(Prism)
+        md.use(LinkAttributes, {
+          pattern: /^https?:\/\//,
+          attrs: {
+            target: '_blank',
+            rel: 'noopener',
+          },
+        })
       },
     }),