Merge pull request #846 from davidtwco/wg-polymorphization-zulip-group

add zulip group for wg-polymorphization

Author: Mark-Simulacrum

teams/wg-polymorphization.toml

@@ -11,3 +11,6 @@ name = "Polymorphization working group"
 description = "Implementing polymorphization to reduce unnecessary monomorphisation in rustc"
 repo = "https://rust-lang.github.io/compiler-team/working-groups/polymorphization/"
 zulip-stream = "t-compiler/wg-polymorphization"
+
+[[zulip-groups]]
+name = "WG-polymorphization"