message: Add missing contributor
diff: @@ -12,3 +12,4 @@ Heroux Mike <maherou@sandia.gov> Sandia National Laboratories
  Hoemmen Mark <mhoemme@sandia.gov> Sandia National Laboratories
  Nayak Pratik <pratik.nayak@kit.edu> Karlsruhe Institute of Technology
  Tsai Yuhsiang <yhmtsai@gmail.com> National Taiwan University
  +Ribizel Tobias <mail@upsj.de> Karlsruhe Institute of Technology
  