Add the development boards of the DFRobot series

[fary99]

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[stale]

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[fary99]

Add the development boards of the DFRobot series。
esp32-s3 AI Camera : https://www.dfrobot.com/product-2899.html
FireBeetle 2 ESP32-C6 : https://www.dfrobot.com/product-2771.html
Could you please check if it can be merged? If it can be merged, please help me do it. If there are any problems, please point them out for me. Thank you.

[valeros]

Hi @fary99, the new boards you've submitted were added in Arduino core v3.0 which is not currently supported. As for the fixes for already available boards, you can submit a separate PR.

[fary99]

Okay, thank you. Then please help me close this PR. I will submit the PR again after Arduino supports the new board.