public async Task <ActionResult <Instrument> > AddInstrument([FromBody] Instrument inst)
{
Instrument toAdd = Adder.createInstrument(_context, Guid.NewGuid(), inst.Adress, inst.DisplayName); //new Instrument { DisplayName = inst.DisplayName, Adress = inst.Adress, UUID = Guid.NewGuid() };
//Adder.createInstrument();
//_context.Instrument.Add(toAdd);
return(toAdd);
}