cleaned up the git and added the arduino libraris

...75/18_vl53l7cx_clean_both_I2C_with_STMlibrary_PCF8575.ino

...cx_clean_with_STlibrary_Shift_register_20250127154813.ino

...ing_a_json_serial/4_vl53l5cx_publishing_a_json_serial.ino

..._publishing_a_json_serial/sketch_jan27a/sketch_jan27a.ino

...7cx_clean_both_I2C_with_STlibrary_copy_20250501123930.ino

..._clean_with_STlibrary/4_vl53l7cx_clean_with_STlibrary.ino

...cx_clean_with_STlibrary_Shift_register_scalebal_to_18.ino

...ing_a_json_serial/5_vl53l5cx_publishing_a_json_serial.ino

...575/9_vl53l7cx_clean_both_I2C_with_STMlibrary_PCF8575.ino

...sions/VL53L5CX_Sat_HelloWorld/VL53L5CX_Sat_HelloWorld.ino

...ne_sensor/VL53L5CX_first_try_with_shiftand_one_sensor.ino

..._the_shift_register/sketch_to_test_the_shift_register.ino

Arduino/libraries/74HC154/74HC154.h

Arduino/libraries/74HC154/CHANGELOG.md

Arduino/libraries/74HC154/LICENSE

Arduino/libraries/74HC154/README.md

.../libraries/74HC154/examples/74HC154_demo/74HC154_demo.ino

...C154/examples/74HC154_night_rider/74HC154_night_rider.ino

.../74HC154/examples/74HC154_prev_next/74HC154_prev_next.ino

Arduino/libraries/74HC154/keywords.txt