邀请码功能

1、新增邀请码功能
  needInvitationCode: false 改成 true 后生效
2、完善后台用户注册 修改相关

pkg/common/config/config.go

@@ -492,6 +492,7 @@ type config struct {
 		}
 		TestDepartMentID     string   `yaml:"testDepartMentID"`
 		ImAPIURL             string   `yaml:"imAPIURL"`
+		NeedInvitationCode   bool     `yaml:"needInvitationCode"`
 		OnboardProcess       bool     `yaml:"onboardProcess"`
 		JoinDepartmentIDList []string `yaml:"joinDepartmentIDList"`
 		JoinDepartmentGroups bool     `yaml:"joinDepartmentGroups"`