Update build-arduino.sh

Author: RobertoHE

ci/build-arduino.sh

@@ -51,5 +51,7 @@ arduino-cli lib install NimBLE-Arduino
 
 # Compile all *.ino files for the Arduino Uno
 for f in **/*.ino ; do
-     arduino-cli compile -b esp32:esp32:esp32 $f
+     echo "P^roject $f"
+     arduino-cli compile -b esp32:esp32:esp32 $f 
+     arduino-cli complile --clean
 done