Method addButtonDef

src/OD2/Common/ButtonDefManager.h:32–37

    }

    void addButtonDef(const Abyss::UI::ButtonDef &def) {
        if (buttonDefs.contains(def.name))
            throw std::runtime_error("ButtonDef already exists");

        buttonDefs.emplace(def.name, def);
    }

    void removeButtonDef(const std::string_view name) {
        const auto it = buttonDefs.find(name);