fix(Popover): hover mode (#453)

docs/content/6.overlays/3.popover.md

@@ -28,6 +28,27 @@ links:
 ```
 ::
 
+### Mode
+
+Use the `mode` prop to switch between `click` and `hover` modes.
+
+::component-example
+#default
+:popover-example-mode
+#code
+```vue
+<template>
+  <UPopover mode="hover">
+    <UButton color="white" label="Open" trailing-icon="i-heroicons-chevron-down-20-solid" />
+
+    <template #panel>
+      <!-- Content -->
+    </template>
+  </UPopover>
+</template>
+```
+::
+
 ## Props
 
 :component-props