Added Concat module

torch_modules/include/Concat.hpp

torch_modules/include/ContextModule.hpp

torch_modules/include/DepthLayerTreeEmbeddingModule.hpp

torch_modules/include/FocusedColumnModule.hpp

torch_modules/include/HistoryModule.hpp

torch_modules/include/NumericColumnModule.hpp

torch_modules/include/RawInputModule.hpp

torch_modules/include/SplitTransModule.hpp

torch_modules/include/UppercaseRateModule.hpp

torch_modules/src/Concat.cpp

torch_modules/src/ContextModule.cpp

torch_modules/src/DepthLayerTreeEmbeddingModule.cpp

torch_modules/src/FocusedColumnModule.cpp

torch_modules/src/HistoryModule.cpp

torch_modules/src/NumericColumnModule.cpp

torch_modules/src/RawInputModule.cpp

torch_modules/src/SplitTransModule.cpp

torch_modules/src/UppercaseRateModule.cpp