Merge branch 'authors' into 'qa'

Add AUTHORS file

See merge request hep-benchmarks/hep-workloads!254

AUTHORS

+Manfred Alef <manfred.alef@kit.edu>
+Jean-Michel Barbet <jean-michel.barbet@subatech.in2p3.fr>
+Olga Datskova <odatskov@cern.ch>
+Domenico Giordano <domenico.giordano@cern.ch>
+Chris Hollowell <hollowec@bnl.gov>
+Martina Javurkova <martina.pagacova@cern.ch>
+Michele Michelotto <michele.michelotto@pd.infn.it>
+Lorenzo Rinaldi <rinaldi@bo.infn.it>
+Evangelia Santorinaiou <evangelia.santorinaiou@cern.ch>
+Andrea Sciaba <Andrea.Sciaba@cern.ch>
+Andrea Valassi <andrea.valassi@cern.ch>