Personio Workschedule Changes - Employee Schedule should be ARRAY

Hi there, the Employee work_schedule object should be an array.

As for now it is not possible to calculate e.g. the Overtime manually (as Personio still doesn't offer this simple attribute on the standard API's).

Problem is that changes to the Work Schedule can not be taken into account with only the current Work Schedule, so it's impossible to calculate the correct overtime.

E.g. one changes from a 60% to a 100% schedule or changing a work schedule with different attendance days.

For this work_schedule should be an ARRAY with all previous work_schedules inside Employee instead of an Object, so one can use valid_from to create a complete history of the expected attendance days according to the valid (pervious, current and upcoming) schedules.