Fix broken example "esp8266-nonos-sdk-blink"

Author: ivankravets

examples/esp8266-nonos-sdk-blink/src/user_config.h renamed to examples/esp8266-nonos-sdk-blink/include/user_config.h

@@ -12,10 +12,12 @@
 platform = espressif8266
 board = nodemcuv2
 framework = esp8266-nonos-sdk
+build_flags = -I include
 monitor_speed = 74880
 
 [env:esp12e]
 platform = espressif8266
 board = esp12e
 framework = esp8266-nonos-sdk
+build_flags = -I include
 monitor_speed = 74880