Add ESP32-S{2,3}-MINI-1

This footprint is identical to ESP32-S2-MINI-1U except that is has the extra area for the antenna.

https://www.espressif.com/sites/default/files/documentation/esp32-s3-mini-1_mini-1u_datasheet_en.pdf

Note that ESP32-S2-MINI-1 has the same footprint than ESP32-S3-MINI-1