[Operator] Add getInputsName & getOutputsName methods.

• Add getInputsName & getOutputsName methods.

include/aidge/operator/Add.hpp

@@ -162,6 +162,12 @@ public:
     inline IOIndex_t nbInputs() const noexcept override final { return NUM; }
     inline IOIndex_t nbDataInputs() const noexcept override final { return NUM; }
     inline IOIndex_t nbOutputs() const noexcept override final { return 1; }
+        static const std::vector<std::string> getInputsName(){
+        return {"data_input_0", "data_input_n"};
+    }
+    static const std::vector<std::string> getOutputsName(){
+        return {"data_output"};
+    }
 };
 
 template <std::size_t NUM>