Gerber-files and BOM is included in the project.
To program the ESP8266 for the first time, bridge the BOOT jumper and connect a FTDI-cable with a male header pinched in the connector. Then use OTA to update.
This is a PCB for Sören Beye [Hyper] code to piggyback the IKEA Vindrikning sensor in a "clean" way.
I used your board design, thank you for sharing your work.