Update: add sub_folder in AddTorrentOptions

crates/librqbit/src/http_api_client.rs

@@ -76,6 +76,7 @@ impl HttpApiClient {
             overwrite: Some(opts.overwrite),
             only_files_regex: opts.only_files_regex,
             output_folder: opts.output_folder,
+            sub_folder: opts.sub_folder,
             list_only: Some(opts.list_only),
         };
         let qs = serde_urlencoded::to_string(&params).unwrap();