Limitation for repeater fields

[Juergen]

It would be great to add limitiations (f.e. output 7 repeats without the possibility to add or to remove a repeat) to the repeater fields (like permanent repeats)

This can be used for example for opening hours (output 7 repeats each for one day). The customer has no possibility to delete or add another repeat.

The limitations should be placed under the details tab.