docs: add docs

docs/.vitepress/config.js

@@ -60,7 +60,10 @@ function getConfigSidebar() {
   return [
     {
       text: 'App Config',
-      children: [{ text: 'Basics', link: '/config/basics' }]
+      children: [
+        { text: 'Basics', link: '/config/basics' },
+        { text: 'Carbon Ads', link: '/config/carbon-ads' }
+      ]
     }
   ]
 }

docs/config/carbon-ads.md

@@ -0,0 +1,13 @@
+# Carbon Ads
+
+VitePress has built in native support for [Carbon Ads](https://www.carbonads.net). By defining the Carbon Ads credentials in config, VitePress will display ads on the page.
+
+```js
+module.exports = {
+  carbonAds: {
+    carbon: 'your-carbon-key',
+    custom: 'your-carbon-custom',
+    placement: 'your-carbon-placement'
+  }
+}
+```