Function ergo::ergo_lib_box_selection_new

#[no_mangle]
pub unsafe extern "C" fn ergo_lib_box_selection_new(
    ergo_boxes_ptr: ConstCollectionPtr<ErgoBox>,
    change_ergo_boxes_ptr: ConstCollectionPtr<ErgoBoxAssetsData>,
    box_selection_out: *mut BoxSelectionPtr
)

Create a selection to easily inject custom selection algorithms