Missing fields in TimesheetEntryCreate

[buptliuhs]

In https://developer.intacct.com/api/project-resource-mgmt/timesheets/#create-timesheet, the following fields are supported

• COSTTYPEID
• TASKID
• LABORCLASSID
• LABORUNIONID

However, in Node.js SDK, the above fields are NOT supported in https://github.com/intacct/intacct-sdk-js/blob/master/src/Functions/Projects/TimesheetEntryCreate.ts.

Expected: The following fields are supported in Node.js SDK

• COSTTYPEID
• TASKID
• LABORCLASSID
• LABORUNIONID

[buptliuhs]

PR is ready: #134

Not sure about the PR review process. Can someone from Intacct please review the PR? Thank you!