add initial docs

packages/docs/theme.config.ts

@@ -0,0 +1,12 @@
+import { defineTheme } from '@nuxt-themes/config'
+console.log('defineTheme', defineTheme)
+export default defineTheme({
+  title: 'Nuxt 3',
+  cover: {
+    src: 'https://res.cloudinary.com/nuxt/image/upload/v1650870623/nuxt3-rc-social_z6qh3m.png',
+    alt: 'Nuxt 3 cover image',
+  },
+  aside: {
+    level: 1,
+  },
+})