feat(Table): expand row (#1036)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

docs/components/content/examples/TableExampleExpandable.vue

@@ -0,0 +1,49 @@
+<script setup>
+const people = [{
+  id: 1,
+  name: 'Lindsay Walton',
+  title: 'Front-end Developer',
+  email: 'lindsay.walton@example.com',
+  role: 'Member'
+}, {
+  id: 2,
+  name: 'Courtney Henry',
+  title: 'Designer',
+  email: 'courtney.henry@example.com',
+  role: 'Admin'
+}, {
+  id: 3,
+  name: 'Tom Cook',
+  title: 'Director of Product',
+  email: 'tom.cook@example.com',
+  role: 'Member'
+}, {
+  id: 4,
+  name: 'Whitney Francis',
+  title: 'Copywriter',
+  email: 'whitney.francis@example.com',
+  role: 'Admin'
+}, {
+  id: 5,
+  name: 'Leonard Krasner',
+  title: 'Senior Designer',
+  email: 'leonard.krasner@example.com',
+  role: 'Owner'
+}, {
+  id: 6,
+  name: 'Floyd Miles',
+  title: 'Principal Designer',
+  email: 'floyd.miles@example.com',
+  role: 'Member'
+}]
+</script>
+
+<template>
+  <UTable :rows="people">
+    <template #expand="{ row }">
+      <div class="p-4">
+        <pre>{{ row }}</pre>
+      </div>
+    </template>
+  </UTable>
+</template>