docs: add CommandPalette full-text search section

docs/content/4.navigation/2.command-palette.md

@@ -232,6 +232,35 @@ excludedProps:
 ---
 ::
 
+## Full-text search
+
+The CommandPalette component takes care of the full-text search for you with [Fuse.js](https://fusejs.io). You can pass all the options of Fuse.js through the `fuse` prop.
+
+When searching for a command, the component will look for a `label` property on the command by default. You can customize this behaviour by overriding the `commandAttribute` prop. This will also affect the display of the command.
+
+You can also highlight the matches in the command by setting the `fuse.fuseOptions.includeMatches` to `true`. The CommandPalette component automatically takes care of the highlighting for you.
+
+```vue
+<template>
+  <UCommandPalette
+    command-attribute="title"
+    :fuse="{
+      fuseOptions: {
+        ignoreLocation: true,
+        includeMatches: true,
+        threshold: 0,
+        keys: ['title', 'description', 'children.children.value', 'children.children.children.value']
+      },
+      resultLimit: 10
+    }"
+  />
+</template>
+```
+
+::alert{icon="i-heroicons-light-bulb"}
+Try it yourself in this documentation's search by pressing :badge-shortcut{value="meta"} :badge-shortcut{value="K" class="ml-1"}.
+::
+
 ## Themes
 
 Our theming system provides a lot of flexibility to customize the component. Here is some examples of what you can do.