Started to implement data loader

dev/src/dev.cpp

reading_machine/include/FeatureFunction.hpp

reading_machine/include/ReadingMachine.hpp

reading_machine/include/TransitionSet.hpp

reading_machine/src/FeatureFunction.cpp

reading_machine/src/ReadingMachine.cpp

reading_machine/src/TransitionSet.cpp

torch_modules/include/ConfigDataset.hpp

torch_modules/include/TestNetwork.hpp

torch_modules/src/ConfigDataset.cpp

torch_modules/src/TestNetwork.cpp