feat: add preset alert, confirm, prompt components that can be simple called (#5843)

* feat: add preset alert, confirm, prompt components that can be simple called

* fix: type define

docs/src/demos/vben-alert/alert/index.vue

@@ -0,0 +1,31 @@
+<script lang="ts" setup>
+import { h } from 'vue';
+
+import { alert, VbenButton } from '@vben/common-ui';
+
+import { Empty } from 'ant-design-vue';
+
+function showAlert() {
+  alert('This is an alert message');
+}
+
+function showIconAlert() {
+  alert({
+    content: 'This is an alert message with icon',
+    icon: 'success',
+  });
+}
+
+function showCustomAlert() {
+  alert({
+    content: h(Empty, { description: '什么都没有' }),
+  });
+}
+</script>
+<template>
+  <div class="flex gap-4">
+    <VbenButton @click="showAlert">Alert</VbenButton>
+    <VbenButton @click="showIconAlert">Alert With Icon</VbenButton>
+    <VbenButton @click="showCustomAlert">Alert With Custom Content</VbenButton>
+  </div>
+</template>