Skip option for scheduling .everySecond(skip: 10)

[paulober]

Is your feature request related to a problem? Please describe.
It's ugly to run a job like every 10 seconds as the system only offers seconds or minute but no quantifiers.

Describe the solution you'd like
Maybe an option to skip a certain amount of triggers like skip: 10 can still trigger every second but would only invoke the job on the 10th and then on the 20th and so on.

Describe alternatives you've considered
And option to specify after how many seconds or minutes to trigger.

Additional context

[0xTim]

Closing this in favour of #133 - you can work around it with duplicating the code to schedule at the intervals you want but we could do with a better API