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* Example sketch prints MAC for different interfaces

Interfaces described in documenation: https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/misc_system_api.html#mac-address

* Update README.md to include 'MacAddress'

* Add files via upload

* Delete libraries/ESP32/examples/MacAddress/GetMacAddress.ino

* Delete libraries/ESP32/examples/MacAddress/GetMacAddress/GetMacAddress.ino

* Delete libraries/ESP32/examples/MacAddress/GetMacAddress/MacAddress directory

* Add files via upload

* Add files via upload

* Adds necessary MAC header file

* Reverting - moving to the sketch

* Adds include with esp_mac_type_t values

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Co-authored-by: Jan Procházka <90197375+P-R-O-C-H-Y@users.noreply.github.com>
Co-authored-by: Rodrigo Garcia <rodrigo.garcia@espressif.com>