docs: new structure (#1282)

Co-authored-by: Sébastien Chopin <seb@nuxt.com>

docs/components/content/examples/TableExampleColumnsSortable.vue

@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 const columns = [{
   key: 'id',
   label: 'ID'
@@ -14,7 +14,7 @@ const columns = [{
   key: 'email',
   label: 'Email',
   sortable: true,
-  direction: 'desc'
+  direction: 'desc' as const
 }, {
   key: 'role',
   label: 'Role'