Printing the numbers with LDR, ultra-sonic, Temperature and Infra red
sensors datavalues;

Signed-off-by: willmendesneto <willmendesneto@gmail.com>
Example sensors separate:
Infra red example;

Signed-off-by: willmendesneto <willmendesneto@gmail.com>
Examples separated:
- printing_numbers_from_sensor:
    Example of ULTRA_SONIC, TEMPERATURE and LUMINOSITY sensors;

- print_number_in_matrix_8x8_using_temperature_sensor:
    Example of INFRA_RED sensor;
Commiting last modifications in files

Signed-off-by: willmendesneto <willmendesneto@gmail.com>
Create directory "activities" with 3 of 4 examples

Signed-off-by: willmendesneto <willmendesneto@gmail.com>