GitLab

* feat(libs): Add ESP-NOW Arduino library

* Update libraries/ESP_NOW/src/ESP32_NOW.cpp
Co-authored-by: Lucas Saavedra Vaz <32426024+lucasssvaz@users.noreply.github.com>

* Update libraries/ESP_NOW/src/ESP32_NOW.cpp
Co-authored-by: Lucas Saavedra Vaz <32426024+lucasssvaz@users.noreply.github.com>

* fix(esp-now): Add check if Wifi is started.

* Fix ESP_NOW_Serial

* Add ESP NOW Serial Example

* Add comment

* Skip esp-now example for esp32h2

* Add broadcast address constant

* Change return value to align with other APIs

* Apply suggested changes

* Improve example

* Fix example

* Improve serial example

* Add argument to receive callback to know if a message was broadcasted

* Update libraries/ESP_NOW/src/ESP32_NOW_Serial.cpp

* Simplify example

* Add broadcast example

* Change comments

* Change comment

* Improve broadcast master example

* Remove examples using IDF's API

* Fix example

* Add network example

* Add skip file

* Add LMK back

* Add logs

* Improve example

* Fix example

* Apply @suglider suggestions from code review
Co-authored-by: Rodrigo Garcia <rodrigo.garcia@espressif.com>

* Add documentation

* fix examples links in docs

* Apply @lucasssvaz suggestions to docs
Co-authored-by: Lucas Saavedra Vaz <32426024+lucasssvaz@users.noreply.github.com>

* Update espnow.rst

* Update examples

* make onSent optional and remove underscores for virtual functions

* Make onRecieve also optional and make constructor protected

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Co-authored-by: Lucas Saavedra Vaz <32426024+lucasssvaz@users.noreply.github.com>
Co-authored-by: me-no-dev <hristo@espressif.com>
Co-authored-by: Rodrigo Garcia <rodrigo.garcia@espressif.com>