Add docs for Ruby type alias

engine/language_client_codegen/src/ruby/field_type.rs

@@ -9,7 +9,8 @@ impl ToRuby for FieldType {
         match self {
             FieldType::Class(name) => format!("Baml::Types::{}", name.clone()),
             FieldType::Enum(name) => format!("T.any(Baml::Types::{}, String)", name.clone()),
-            // TODO: Can we define recursive aliases in Ruby with Sorbet?
+            // Sorbet does not support recursive type aliases.
+            // https://sorbet.org/docs/type-aliases
             FieldType::RecursiveTypeAlias(_name) => "T.anything".to_string(),
             // TODO: Temporary solution until we figure out Ruby literals.
             FieldType::Literal(value) => value.literal_base_type().to_ruby(),