code: public static void incrComputeSpecs(ComputeSpecs target, ComputeSpecs incr) {
      target.numCpus += incr.numCpus;
      target.memoryMB += incr.memoryMB;
      target.diskGB += incr.diskGB;
    }
docs: Increase the compute specs
  @param target the compute specs to increase
  @param incr the increment