Added FTS Monitoring

CMakeLists.txt

consumer/api/cpp/src/consumer_impl.cpp

consumer/api/cpp/unittests/test_consumer_impl.cpp

file_transfer/src/asapo_file_transfer/server/get_health.go

file_transfer/src/asapo_file_transfer/server/monitoring.go

...er/src/asapo_file_transfer/server/monitoring_nottested.go

file_transfer/src/asapo_file_transfer/server/server.go

file_transfer/src/asapo_file_transfer/server/transfer.go

receiver/src/monitoring/receiver_monitoring_client.cpp