「🔨」 fix(ex02): added a const operator[] overload (readonly ofc)

ex02/main.cpp

@@ -17,7 +17,8 @@ int main(int, char**)
     //SCOPE
     {
         Array<int> tmp = numbers;
-        Array<int> test(tmp);
+        const Array<int> test(tmp);
+		std::cout << "accessing a const value : " << (int) test[15] << std::endl;
     }
 
     std::cout << "checking if values are the same after a copy..." << std::endl;