Function portIsValid

app/src/API/Handlers/MqttHandler.cpp:32–35

* @brief Returns true when port is within the valid [1, 65535] TCP range. */

 * @brief Returns true when port is within the valid [1, 65535] TCP range.
 */
[[nodiscard]] static bool portIsValid(int port)
{
  return port >= 1 && port <= 65535;
}

/**
 * @brief Validates that an integer falls within [0, modeCount).