message: Fix up ConnectionResult and connection_result_str docs
diff: #pragma once
  +
  +/**
  + * @brief Namespace for all dronecore types.
  + */
  namespace dronecore {
  /**
  @@ -13,7 +17,7 @@ enum class ConnectionResult {
  TIMEOUT, /**< @brief %Connection timed out. */
  SOCKET_ERROR, /**< @brief Socket error. */
  BIND_ERROR, /**< @brief Bind error. */
  - SOCKET_CONNECTION_ERROR,
  + SOCKET_CONNECTION_ERROR, /**< @brief Socket connection error. */
  CONNECTION_ERROR, /**< @brief %Connection error. */
  NOT_IMPLEMENTED, /**< @brief %Connection type not implemented. */
  DEVICE_NOT_CONNECTED, /**< @brief No device is connected. */
  @@ -25,7 +29,10 @@ enum class ConnectionResult {
  };
  /**
  - * @brief Translates the ConnectionResult enum to a human-readable English string.
  + * @brief Returns a human-readable English string for a ConnectionResult.
  + *
  + * @param result The enum value for which a human readable string is required.
  + * @return Human readable string for the ConnectionResult.
  */
  inline const char *connection_result_str(const ConnectionResult result)
  {
  