ESPNow module has been merged into MicroPython

[glenn20]

PR6515 has now been merged into the Micropython main branch. You should consider submitting Issues with ESPNow support in MicroPython there. I will keep this branch (espnow-g20) open to preserve the Issues reported here. I will continue to monitor Issues reported here as well.

Thanks to the users who have provided encouragement, reported bugs and other issues and contributed to the discussions on github and in the Micropython Forum over the last few years, especially @davefes, @AmirHmZz, @krishnak. Most of all, thanks to the micropython community that Damien kicked off 10 years ago.