[新增] iconPicker 图标选择器, 状态：初步集成

docs/docs/zh-CN/components/iconPicker.md

@@ -0,0 +1,19 @@
+::: demo
+
+<template>
+  <lay-icon-picker type="layui-icon-face-smile"></lay-icon-picker>
+</template>
+
+<script>
+import { ref } from 'vue'
+
+export default {
+  setup() {
+
+    return {
+    }
+  }
+}
+</script>
+
+:::