start adapting for windows

CMakeLists.txt

CMakeModules/testing_cpp.cmake

common/cpp/CMakeLists.txt

common/cpp/include/system_wrappers/io.h

common/cpp/src/system_io.cpp

common/cpp/src/system_io_windows.cpp

examples/worker/CMakeLists.txt

examples/worker/process_folder/CMakeLists.txt

producer/api/CMakeLists.txt

tests/CMakeLists.txt

tests/common/cpp/CMakeLists.txt

tests/worker/connect_multithread/CMakeLists.txt

tests/worker/next_multithread/CMakeLists.txt

worker/api/cpp/CMakeLists.txt

worker/api/cpp/src/folder_data_broker.cpp

worker/api/cpp/src/folder_data_broker.h