Prepare DATEV Payroll

put https://api.kombo.dev/v1/custom/datev/employees/{employee_id}/prepare-payroll

What DATEV requires to prepare payroll is very specific and currently, as DATEV is not providing "read", this is not part of the unified model.

Requires the permission "Manage payroll".

{
  "employee_id": "EvLV61zdahkN4ftPJbmPCkdv",
  "payroll_run": {
    "date": "2022-05-01"
  },
  "hourly_payments": [
    {
      "hours": 14,
      "lohnart": 200
    },
    {
      "hours": 16,
      "lohnart": 232
    }
  ],
  "fixed_payments": [
    {
      "amount": 560,
      "lohnart": 100
    }
  ]
}