feat(CommandPalette): add footer slot (#4457)

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

docs/app/components/content/examples/command-palette/CommandPaletteFooterSlotExample.vue

@@ -0,0 +1,78 @@
+<script setup lang="ts">
+const groups = [
+  {
+    id: 'actions',
+    items: [
+      {
+        label: 'Add new file',
+        suffix: 'Create a new file in the current directory',
+        icon: 'i-lucide-file-plus',
+        kbds: ['meta', 'N']
+      },
+      {
+        label: 'Add new folder',
+        suffix: 'Create a new folder in the current directory',
+        icon: 'i-lucide-folder-plus',
+        kbds: ['meta', 'F']
+      },
+      {
+        label: 'Search files',
+        suffix: 'Search across all files in the project',
+        icon: 'i-lucide-search',
+        kbds: ['meta', 'P']
+      },
+      {
+        label: 'Settings',
+        suffix: 'Open application settings',
+        icon: 'i-lucide-settings',
+        kbds: ['meta', ',']
+      }
+    ]
+  },
+  {
+    id: 'recent',
+    label: 'Recent',
+    items: [
+      {
+        label: 'project.vue',
+        suffix: 'components/',
+        icon: 'i-vscode-icons-file-type-vue'
+      },
+      {
+        label: 'readme.md',
+        suffix: 'docs/',
+        icon: 'i-vscode-icons-file-type-markdown'
+      },
+      {
+        label: 'package.json',
+        suffix: 'root/',
+        icon: 'i-vscode-icons-file-type-node'
+      }
+    ]
+  }
+]
+</script>
+
+<template>
+  <UCommandPalette :groups="groups" class="flex-1 h-80">
+    <template #footer>
+      <div class="flex items-center justify-between gap-2">
+        <UIcon name="i-simple-icons-nuxtdotjs" class="size-5 text-dimmed ml-1" />
+        <div class="flex items-center gap-1">
+          <UButton color="neutral" variant="ghost" label="Open Command" class="text-dimmed" size="xs">
+            <template #trailing>
+              <UKbd value="enter" />
+            </template>
+          </UButton>
+          <USeparator orientation="vertical" class="h-4" />
+          <UButton color="neutral" variant="ghost" label="Actions" class="text-dimmed" size="xs">
+            <template #trailing>
+              <UKbd value="meta" />
+              <UKbd value="k" />
+            </template>
+          </UButton>
+        </div>
+      </div>
+    </template>
+  </UCommandPalette>
+</template>

docs/content/3.components/command-palette.md

@@ -877,6 +877,20 @@ props:
 This can be useful when using the CommandPalette inside a [`Modal`](/components/modal) for example.
 ::
 
+### With footer slot :badge{label="Soon" class="align-text-top"}
+
+Use the `#footer` slot to add custom content at the bottom of the CommandPalette, such as keyboard shortcuts help or additional actions.
+
+::component-example
+---
+collapse: true
+name: 'command-palette-footer-slot-example'
+class: '!p-0'
+props:
+  autofocus: false
+---
+::
+
 ### With custom slot
 
 Use the `slot` property to customize a specific item or group.