feat: 添加 SimpleException 构造函数，传入自定义异常信息

Author: cadecode

src/main/java/top/cadecode/simple/common/exception/SimpleException.java

@@ -1,9 +1,7 @@
 package top.cadecode.simple.common.exception;
 
-import lombok.Data;
 import lombok.Getter;
 import top.cadecode.simple.constant.ErrorEnum;
-import top.cadecode.simple.constant.ReasonEnum;
 
 /**
  * @author Cade Li