Function pconvert_rust::wasm::blend_images_js

pub async fn blend_images_js(
    bot: File, 
    top: File, 
    target_file_name: String, 
    algorithm: Option<String>, 
    is_inline: Option<bool>, 
    options: JsValue
) -> Result<File, JsValue>

Blends two Files into one, named target_file_name, using algorithm and the extra options given. Algorithm defaults to BlendAlgorithm::Multiplicative.