eeg

it should be possible to write smth like:

board->add_streamer("file://data.csv:w");
board->add_streamer("file://data2.csv:w");
board->add_streamer("streaming_board://225.1.1.1:6677");

Inside board class currently these is std::map<int, Streamer *> streamers; need to convert it to smth like std::map<int, std::vector<Streamer *>> streamers; int here represents preset