chore: 补充AvatarWithPreview的story

packages/design/components/AvatarWithPreview/index.stories.tsx

@@ -0,0 +1,39 @@
+import React from 'react';
+import type { ComponentStory, ComponentMeta } from '@storybook/react';
+import { AvatarWithPreview } from '.';
+
+export default {
+  title: 'Tailchat/AvatarWithPreview',
+  component: AvatarWithPreview,
+  argTypes: {
+    name: {
+      description: '显示名称，用于无图片下的展示',
+    },
+    isOnline: {
+      description: '是否在线, 可不传',
+    },
+    size: {
+      description: '图标大小',
+      type: 'number',
+    },
+    src: {
+      description: '头像图片地址',
+      type: 'string',
+    },
+  },
+} as ComponentMeta<typeof AvatarWithPreview>;
+
+const Template: ComponentStory<typeof AvatarWithPreview> = (args) => (
+  <AvatarWithPreview {...args} />
+);
+
+export const NoImage = Template.bind({});
+NoImage.args = {
+  name: 'Anonymous',
+};
+
+export const withImage = Template.bind({});
+withImage.args = {
+  name: 'Anonymous',
+  src: 'http://dummyimage.com/50x50',
+};