feat(Alert/Toast)!: add orientation prop

docs/app/components/content/examples/toast/ToastOrientationExample.vue

@@ -0,0 +1,27 @@
+<script setup lang="ts">
+const toast = useToast()
+
+const props = defineProps<{
+  orientation: 'horizontal' | 'vertical'
+}>()
+
+function showToast() {
+  toast.add({
+    title: 'Uh oh! Something went wrong.',
+    orientation: props.orientation,
+    actions: [{
+      icon: 'i-lucide-refresh-cw',
+      label: 'Retry',
+      color: 'neutral',
+      variant: 'outline',
+      onClick: (e) => {
+        e?.stopPropagation()
+      }
+    }]
+  })
+}
+</script>
+
+<template>
+  <UButton label="Show toast" color="neutral" variant="outline" @click="showToast" />
+</template>