Add aidge datatypes : int16_t uint16_t int8_t uint8_t

include/aidge/data/Data.hpp

@@ -63,6 +63,10 @@ template <> const Aidge::DataType NativeType<double>::type = Aidge::DataType::Fl
 template <> const Aidge::DataType NativeType<float>::type = Aidge::DataType::Float32;
 template <> const Aidge::DataType NativeType<long>::type = Aidge::DataType::Int64;
 template <> const Aidge::DataType NativeType<int>::type = Aidge::DataType::Int32;
+template <> const Aidge::DataType NativeType<int16_t>::type = Aidge::DataType::Int16;
+template <> const Aidge::DataType NativeType<u_int16_t>::type = Aidge::DataType::UInt16;
+template <> const Aidge::DataType NativeType<int8_t>::type = Aidge::DataType::Int8;
+template <> const Aidge::DataType NativeType<uint8_t>::type = Aidge::DataType::UInt8;
 
 template <>
 const char* const EnumStrings<Aidge::DataType>::data[]