Description: Adds a step to the partitionSteps and partitionStepsForShift arrays before the formating of the RAID device (given in the $partJob).
Parameter:
newJob: The RAID creation commands to add.
partJobs: Pointer to the array with the partition steps (partitionSteps or partitionStepsForShift).
Returns:
true, if there was a formating job for the RAID device. false, if the new job was placed at the end.