Add a button for TAs to redirect a request to a head TA and/or lecturer.

Summary

In case a student has a specific question/complaint that only a head TA or lecturer can answer, the TA attending to the request can immediately click a button to direct this request to the next available head TA/Lecturer. In addition the head TAs could get a notification that a request has been forwarded to them.

Reasoning

While it is not of high priority, it would be easier than searching through many names of TAs and notifying manually the head TA that you believed would be available. Basically a button to "Forward to head TAs/Lecturer".