Maybe this has improved since I last used it, but I was dismayed at not being able to do something like: litellm.register("foo", CustomAIProvider) lite

Maybe this has improved since I last used it, but I was dismayed at not being able to do something like: litellm.register("foo", CustomAIProvider) litellm.do_whatever("foo/my-cool-model", "what is 2+2")