Function generate_note_with_options 

pub fn generate_note_with_options(
    midi_note: u8,
    duration_ms: f32,
    velocity: f32,
    params: &SynthParams,
    sample_rate: u32,
    pan: f32,
    detune: f32,
) -> Result<Vec<f32>>

Generate stereo audio samples for a single note with pan and detune options

If params contains plugin information, it will use the WASM plugin instead of built-in synth