✨(component): [tab]新增 title 插槽

package/document-component/src/document/zh-CN/components/tab.md

@@ -36,6 +36,54 @@ export default {
 
 :::
 
+::: title 标题插槽
+:::
+
+::: demo
+
+<template>
+  <lay-tab v-model="current11" :allow-close="true">
+    <lay-tab-item title="选项一" id="1">
+      <template #title>
+        <lay-icon type="layui-icon-console"></lay-icon>
+        <span style="margin-left:10px">选项一</span>
+      </template>
+      <div style="padding:20px">选项一</div>
+    </lay-tab-item>
+    <lay-tab-item title="选项一" id="2">
+      <template #title>
+        <lay-icon type="layui-icon-user"></lay-icon>
+        <span style="margin-left:10px">选项一</span>
+      </template>
+      <div style="padding:20px">选项二</div>
+    </lay-tab-item>
+    <lay-tab-item title="选项一" id="3">
+      <template #title>
+        <lay-icon type="layui-icon-set"></lay-icon>
+        <span style="margin-left:10px">选项一</span>
+      </template>
+      <div style="padding:20px">选项三</div>
+    </lay-tab-item>
+  </lay-tab>
+</template>
+
+<script>
+import { ref } from 'vue'
+
+export default {
+  setup() {
+
+    const current11 = ref("1")
+
+    return {
+      current11
+    }
+  }
+}
+</script>
+
+:::
+
 ::: title 简约模式
 :::