Disable ModuleDoc check

Adding module documentation for all our Ash resources seems desirable,
but ultimately unrealistic, and I think it's more likely that this check
will result in one-liner documentation that doesn't contain any real
information.

.credo.exs

@@ -161,6 +161,8 @@
           {Credo.Check.Warning.WrongTestFileExtension, []}
         ],
         disabled: [
+          # Checks disabled by the Mitgliederverwaltung Team
+          {Credo.Check.Readability.ModuleDoc, []},
           #
           # Checks scheduled for next check update (opt-in for now)
           {Credo.Check.Refactor.UtcNowTruncate, []},