feat: loading and spinner component with directive (#5587)

* 添加loading和spinner组件，以及对应的vue指令

playground/src/views/examples/loading/index.vue

@@ -0,0 +1,101 @@
+<script lang="ts" setup>
+import { Loading, Page, Spinner } from '@vben/common-ui';
+import { IconifyIcon } from '@vben/icons';
+
+import { refAutoReset } from '@vueuse/core';
+import { Button, Card, Spin } from 'ant-design-vue';
+
+const spinning = refAutoReset(false, 3000);
+const loading = refAutoReset(false, 3000);
+
+const spinningV = refAutoReset(false, 3000);
+const loadingV = refAutoReset(false, 3000);
+</script>
+<template>
+  <Page
+    title="Vben Loading"
+    description="加载中状态组件。这个组件可以为其它作为容器的组件添加一个加载中的遮罩层。使用它们时，容器需要relative定位。"
+  >
+    <Card title="Antd Spin">
+      <template #actions>这是Antd 组件库自带的Spin组件演示</template>
+      <Spin :spinning="spinning" tip="加载中...">
+        <Button type="primary" @click="spinning = true">显示Spin</Button>
+      </Spin>
+    </Card>
+
+    <Card title="Vben Loading" v-loading="loadingV" class="mt-4">
+      <template #extra>
+        <Button type="primary" @click="loadingV = true">
+          v-loading 指令
+        </Button>
+      </template>
+      <template #actions>
+        Loading组件可以设置文字，并且也提供了icon插槽用于替换加载图标。
+      </template>
+      <div class="flex gap-4">
+        <div class="size-40">
+          <Loading
+            :spinning="loading"
+            text="正在加载..."
+            class="flex h-full w-full items-center justify-center"
+          >
+            <Button type="primary" @click="loading = true">默认动画</Button>
+          </Loading>
+        </div>
+        <div class="size-40">
+          <Loading
+            :spinning="loading"
+            class="flex h-full w-full items-center justify-center"
+          >
+            <Button type="primary" @click="loading = true">自定义动画1</Button>
+            <template #icon>
+              <IconifyIcon
+                icon="svg-spinners:ring-resize"
+                class="text-primary size-10"
+              />
+            </template>
+          </Loading>
+        </div>
+        <div class="size-40">
+          <Loading
+            :spinning="loading"
+            class="flex h-full w-full items-center justify-center"
+          >
+            <Button type="primary" @click="loading = true">自定义动画2</Button>
+            <template #icon>
+              <IconifyIcon
+                icon="svg-spinners:bars-scale"
+                class="text-primary size-10"
+              />
+            </template>
+          </Loading>
+        </div>
+      </div>
+    </Card>
+
+    <Card
+      title="Vben Spinner"
+      v-spinning="spinningV"
+      class="mt-4 overflow-hidden"
+      :body-style="{
+        position: 'relative',
+        overflow: 'hidden',
+      }"
+    >
+      <template #extra>
+        <Button type="primary" @click="spinningV = true">
+          v-spinning 指令
+        </Button>
+      </template>
+      <template #actions>
+        Spinner组件是Loading组件的一个特例，只有一个固定的统一样式。
+      </template>
+      <Spinner
+        :spinning="spinning"
+        class="flex size-40 items-center justify-center"
+      >
+        <Button type="primary" @click="spinning = true">显示Spinner</Button>
+      </Spinner>
+    </Card>
+  </Page>
+</template>