Add: Warn players that company passwords are not truly secure

src/widgets/network_widget.h

@@ -122,6 +122,7 @@ enum NetworkCompanyPasswordWidgets {
 	WID_NCP_LABEL,                    ///< Label in front of the password field.
 	WID_NCP_PASSWORD,                 ///< Input field for the password.
 	WID_NCP_SAVE_AS_DEFAULT_PASSWORD, ///< Toggle 'button' for saving the current password as default password.
+	WID_NCP_WARNING,                  ///< Warning text about password security
 	WID_NCP_CANCEL,                   ///< Close the window without changing anything.
 	WID_NCP_OK,                       ///< Safe the password etc.
 };