added Michael Mayer as the next maintainer for treeshap

Author: pbiecek

DESCRIPTION

@@ -3,12 +3,13 @@ Title: Compute SHAP Values for Your Tree-Based Models Using the 'TreeSHAP'
     Algorithm
 Version: 0.4.0
 Authors@R: c(
+    person("Michael", "Mayer", , "mayermichael79@gmail.com", role = c("aut", "cre")),
     person("Konrad", "Komisarczyk", email = "komisarczykkonrad@gmail.com", role = "aut"),
     person("Pawel", "Kozminski", email = "pkozminski99@gmail.com", role = "aut"),
     person("Szymon", "Maksymiuk", role = "aut", comment = c(ORCID = "0000-0002-3120-1601")),
     person("Lorenz A.", "Kapsner", role = "ctb", comment = c(ORCID = "0000-0003-1866-860X")),
     person("Mikolaj", "Spytek", role = "ctb", comment = c(ORCID = "0000-0001-7111-2286")),
-    person("Mateusz", "Krzyzinski", email = "krzyzinskimateusz23@gmail.com", role = c("ctb", "cre"), comment = c(ORCID = "0000-0001-6143-488X")),
+    person("Mateusz", "Krzyzinski", email = "krzyzinskimateusz23@gmail.com", role = "ctb", comment = c(ORCID = "0000-0001-6143-488X")),
     person("Przemyslaw", "Biecek", email = "przemyslaw.biecek@gmail.com", role = c("aut", "cph"), comment = c(ORCID = "0000-0001-8423-1823"))
   )
 Description: An efficient implementation of the 'TreeSHAP' algorithm