[libc++][ranges] Implement ranges::max

Reviewed By: Mordante, var-const, #libc

Spies: sstefan1, libcxx-commits, mgorny

Differential Revision: https://reviews.llvm.org/D122002

NOKEYCHECK=True
GitOrigin-RevId: e476df5629ee32b1180105c7a73e827bcc0d639b
diff --git a/include/module.modulemap b/include/module.modulemap
index b9d5fea..75e9413 100644
--- a/include/module.modulemap
+++ b/include/module.modulemap
@@ -297,6 +297,7 @@
       module ranges_find              { private header "__algorithm/ranges_find.h" }
       module ranges_find_if           { private header "__algorithm/ranges_find_if.h" }
       module ranges_find_if_not       { private header "__algorithm/ranges_find_if_not.h" }
+      module ranges_max               { private header "__algorithm/ranges_max.h" }
       module ranges_max_element       { private header "__algorithm/ranges_max_element.h" }
       module ranges_min               { private header "__algorithm/ranges_min.h" }
       module ranges_min_element       { private header "__algorithm/ranges_min_element.h" }