Feature request: Expose flatland.ordered.set/ordered-set

[NoahTheDuke]

Follow-up to #447, could we get support for flatland.ordered.set?

$ rlwrap bb
[babashka] WARNING: task(s) 'run' override built-in command(s). Use :override-builtin true to disable warning.
Babashka v1.3.189 REPL.
Use :repl/quit or :repl/exit to quit the REPL.
Clojure rocks, Bash reaches.

user=> (require '[flatland.ordered.map :as om])
nil
user=> (require '[flatland.ordered.set :as os])
java.lang.Exception: Unable to resolve classname: clojure.lang.ITransientSet [at flatland/ordered/set.clj:4:3]

[borkdude]

alright