clangtidy cleanups and added checks to platformio.ini

include/ota.h

 #pragma once
 
+#include <ArduinoOTA.h>
 #include <ESP8266WiFi.h>
 #include <WiFiUdp.h>
-#include <ArduinoOTA.h>
 
 void ota_setup() {
   ArduinoOTA.setPort(8266);
   });
   ArduinoOTA.begin();
 
-}
+}

templ_platformio_ini

 board = nodemcuv2
 framework = arduino
 
+; for pio check
+; check_tool = cppcheck
+check_tool = clangtidy
+check_flags = 
+  ; clangtidy: --fix-errors
+  clangtidy: lib/httpserver/* lib/treppe/* lib/PCA9685-Arduino/*
+check_skip_packages = yes
+
+
 board_build.filesystem = littlefs
 board_build.ldscript = eagle.flash.4m1m.ld
 extra_scripts = pre:create_gz_files.py