started working at client for memory buffer

receiver/src/receiver_data_server/net_server.h

...iver_data_server/receiver_data_server_request_handler.cpp

receiver/src/receiver_data_server/tcp_server.cpp

receiver/src/receiver_data_server/tcp_server.h

...ttests/receiver_data_server/receiver_dataserver_mocking.h

...r/unittests/receiver_data_server/test_request_handler.cpp

receiver/unittests/receiver_data_server/test_tcp_server.cpp

worker/api/cpp/CMakeLists.txt

worker/api/cpp/src/net_client.h

worker/api/cpp/src/server_data_broker.cpp

worker/api/cpp/src/server_data_broker.h

worker/api/cpp/src/tcp_client.cpp

worker/api/cpp/src/tcp_client.h

worker/api/cpp/unittests/mocking.h

worker/api/cpp/unittests/test_server_broker.cpp