Function copy

sources/system/common.cpp:167–173

		}

		bool copy(const std::string &source, const std::string &dest)
		{
			std::error_code ec;
			std::filesystem::copy_file(source, dest,
			                           std::filesystem::copy_options::recursive | std::filesystem::copy_options::overwrite_existing, ec);
			return !ec;
		}

		bool remove(const std::string &path)
		{