Arduino comes back with: #error ESP32-C3 is not supported yet. Please check later.

I have tried the ESP32-C3DevKit on Arduino, but Arduino says it does not have the ESP32-C3 developed yet.
How do we get Arduino to accept this new board?

Has anyone had experience getting the above board to be included in Arduino? (the chip has this written on it: ESP32-C3-WROOM-02 I have received these boards, but Arduino says it has not been developed yet. ie. the exact board does not appear on the Arduino list. I have contacted Arduino, but they ...