Merge branch 'master' into featrue/normalizers

Author: astral-data

docs/en/mapper/out.md

@@ -27,7 +27,8 @@ $user = User::from([
 ### Outputting the Object
 
 ```php
-// $user is an object by default 
+
+// $user is an object by default
 echo $user->name;  // Output: Jon
 echo $user->age;   // Output: 30
 echo $user->login_log->remark; // Output 'Test Data'

docs/zh/SUMMARY.md

@@ -13,6 +13,7 @@
 * [输出格式](mapper/out.md)
 * [参数校验](mapper/validate.md)
 
+
 ## 注解类使用
 
 * [属性分组](annotation/group-annotation.md)