Quantization ptq

Adding implementation of Scaling operator.

src/operator/ScalingImpl.cpp

@@ -19,7 +19,6 @@
 #include "aidge/backend/cpu/operator/ScalingImpl.hpp"
 #include "aidge/backend/cpu/operator/ScalingImpl_forward_kernels.hpp"
 #include "aidge/utils/Types.h"
-#include <numeric>
 #include <vector>
 
 // FIXME: replace whole Tensor with minimum needed data quantity