Add support for Air001

[wzwtt]

Arduino boards manager link: https://github.com/Air-duino/Arduino-pack-json-ci/releases/download/Nightly/package_air_index.json
official site: https://wiki.luatos.com/chips/air001/index.html

[developer-ken]

It would be nice to have this mcu supported.
There seems to have someone already working on this, just for ref: lily-Robot/platform-airmcu , but it did not complete and not under active developing.