Function add

src/OpenLoco/src/Ui/Dropdown.cpp:116–121

    }

    void add(size_t index, StringId title)
    {
        assert(index < std::numeric_limits<uint8_t>::max());

        _dropdownItemFormats[index] = title;
    }

    void add(size_t index, StringId title, std::initializer_list<format_arg> l)
    {