[Add] broadcasting for Arithmetic Operators

This merge request is dedicated to enabling broadcasting on binary operators (Add, Mul, Div, Sub, Pow). The expected behaviour is the same as numpy

Here are examples of supported broadcasting

Tensor_A shape	3	2	1	3
Tensor_B shape	1	2	4	3
Output shape	3	2	4	3

Tensor_A shape	3	2	1	3
Tensor_C shape				3
Output shape	3	2	1	3

include/aidge/operator/ArithmeticOperator.hpp

-/********************************************************************************
- * Copyright (c) 2024 CEA-List
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License 2.0 which is available at
- * http://www.eclipse.org/legal/epl-2.0.
- *
- * SPDX-License-Identifier: EPL-2.0
- *
- ********************************************************************************/
-
-#ifndef AIDGE_CORE_OPERATOR_ARITHMETICOPERATOR_H_
-#define AIDGE_CORE_OPERATOR_ARITHMETICOPERATOR_H_
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "aidge/backend/OperatorImpl.hpp"
-#include "aidge/data/Tensor.hpp"
-#include "aidge/operator/OperatorTensor.hpp"
-#include "aidge/utils/Types.h"
-#include "aidge/graph/Node.hpp"
-
-namespace Aidge {
-
-class ArithmeticOperator : public OperatorTensor {
-
-public:
-    ArithmeticOperator() = delete;
-
-    ArithmeticOperator(const std::string& type)
-        : OperatorTensor(type, 2, 0, 1) {
-    }
-
-    ArithmeticOperator(const ArithmeticOperator& other) : OperatorTensor(other){ }
-
-    ~ArithmeticOperator();
-
-    std::shared_ptr<Operator> clone() const override {
-        return std::make_shared<ArithmeticOperator>(*this);
-    }
-
-    void setBackend(const std::string & /*name*/, DeviceIdx_t /*device*/ = 0) override { printf("setBackend: not available yet.\n"); }
-
-public:
-
-    void computeOutputDims() override final;
-
-    static const std::vector<std::string> getInputsName(){
-        return {"data_input_1", "data_input_2"};
-    }
-    static const std::vector<std::string> getOutputsName(){
-        return {"data_output"};
-    }
-};
-}  // namespace Aidge
-
-#endif  // AIDGE_CORE_OPERATOR_ARITHMETICOPERATOR_H_
\ No newline at end of file