Rust example gives an error

[egorsmkv]

This example https://github.com/openai/harmony?tab=readme-ov-file#example-1 gives an error:

   Compiling harmony-test v0.1.0 (/Users/yehorsmoliakov/Downloads/RustedBytes/harmony-test)
error[E0061]: this method takes 3 arguments but 2 arguments were supplied
   --> src/main.rs:9:22
    |
9   |     let tokens = enc.render_conversation_for_completion(&convo, Role::Assistant)?;
    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^------------------------- argument #3 of type `Option<&openai_harmony::encoding::RenderConversationConfig>` is missing
    |
note: method defined here
   --> /Users/yehorsmoliakov/.cargo/git/checkouts/harmony-d181548887579b3d/111f0e6/src/encoding.rs:248:12
    |
248 |     pub fn render_conversation_for_completion<'a, I>(
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: provide the argument
    |
9   |     let tokens = enc.render_conversation_for_completion(&convo, Role::Assistant, /* Option<&openai_harmony::encoding::RenderConversationConfig> */)?;
    |                                                                                +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

For more information about this error, try `rustc --explain E0061`.
error: could not compile `harmony-test` (bin "harmony-test") due to 1 previous error

[scott-oai]

fixed in #17