add small board for connecting two Qwiic connectors to the MOD-WIFI-ESP8266-DEV

add footprints for side-firing 2x5 header and socket used by Olimex for their "UEXT" connector on the MOD-WIFI-ESP8266-DEV

esp8266: rotate programmer header

esp8266: further tweaking of board, add silkscreen for IO pins

ESP8266 Qwiic: break up schematic into labelled boxes

MiniUltraPro-Qwiic: make board, based on MiniUltraPro-shield

MiniUltraPro-shield: add text file with coordinates of the pin rows

MiniUltraPro-shield: restore net names on connector pins

MiniUltraPro-shield: remove everything but the side connectors, mounting holes, and logos

MiniUltraPro-shield: start with MiniUltraPro schematic and board