添加 ValueObject 注解。

src/main/java/xyz/zhouxy/plusone/commons/annotation/ValueObject.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2022-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package xyz.zhouxy.plusone.commons.annotation;
+
+/**
+ * ValueObject - 值对象
+ *
+ * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
+ * @since 0.1.0
+ */
+public @interface ValueObject {
+}