add receiver root folder to config

common/cpp/include/preprocessor/definitions.h

config/nomad/receiver.nmd.in

examples/producer/dummy-data-producer/CMakeLists.txt

receiver/CMakeLists.txt

receiver/src/receiver_config.cpp

receiver/src/receiver_config.h

receiver/src/request_handler_file_write.cpp

receiver/unittests/mock_receiver_config.cpp

receiver/unittests/test_config.cpp

receiver/unittests/test_request_handler_file_write.cpp

tests/automatic/full_chain/simple_chain/check_linux.sh

tests/automatic/full_chain/simple_chain/check_windows.bat

...tomatic/producer_receiver/check_monitoring/check_linux.sh

...tic/producer_receiver/transfer_single_file/check_linux.sh

.../producer_receiver/transfer_single_file/check_windows.bat

tests/automatic/settings/discovery_settings.json

tests/automatic/settings/receiver.json

tests/automatic/settings/receiver.json.tpl

...matic/system_io/write_data_to_file/write_data_to_file.cpp