UPDATED GUIDES, LIBRARY: Adafruit_Protomatter RGB Matrix Library improves ESP32-S3 Support

UPDATED GUIDES: Adafruit RGB Matrix FeatherWings and Adafruit Protomatter RGB Matrix Library.A recent update to this Arduino library improves performance on ESP32-S3 (adding DMA support) and S2 (no DMA, but improved refresh rate nonetheless). Guides and examples have been updated with pinouts for these Feather boards. This incorporates lessons learned...