真正的国产工作流引擎、json 格式实例模型、仿钉钉审批流程设计器

测试成功： * http://localhost:8000/process/deploy 1705435715875139585 * http://localhost:8000/process/instance-start {"processId":1705435715875139585,"variable":"{\"assignee\":\"test001\",\"day\":8}","lastUpdateBy":"测试001","lastUpdateTime":1695442550490,"id":1705435781755072514,"createId":"test001","createBy":"测试001","createTime":1695442550490}