start cache for receiveing data

deploy/nomad_jobs/receiver.json.tpl

receiver/src/connection.cpp

receiver/src/connection.h

receiver/src/data_cache.cpp

receiver/src/data_cache.h

receiver/src/main.cpp

receiver/src/receiver.cpp

receiver/src/receiver.h

receiver/src/receiver_config.cpp

receiver/src/receiver_config.h

receiver/src/receiver_data_server/tcp_server.cpp

receiver/src/request.cpp

receiver/src/request.h

receiver/src/request_handler_file_write.cpp

receiver/src/requests_dispatcher.cpp

receiver/src/requests_dispatcher.h

receiver/unittests/mock_receiver_config.cpp

receiver/unittests/receiver_data_server/test_tcp_server.cpp

receiver/unittests/receiver_mocking.h

receiver/unittests/test_config.cpp