Update README

Author: UnsignedArduino

Chessboard Hardware.kicad_pro

@@ -566,7 +566,7 @@
       "plot": "C:/Users/ckyiu/Downloads/Chessboard Hardware Gerbers/",
       "pos_files": "",
       "specctra_dsn": "",
-      "step": "C:/Users/ckyiu/Downloads/Chessboard Hardware with tracks pads vias.step",
+      "step": "C:/Users/ckyiu/Downloads/Chessboard Hardware.step",
       "svg": "",
       "vrml": "C:/Users/ckyiu/Downloads/Chessboard Hardware.wrl"
     },

README.md

@@ -1,7 +1,17 @@
+[Chessboard-Hardware](https://github.com/UnsignedArduino/Chessboard-Hardware) |
+Chessboard-Design |
+[Chessboard-Nano](https://github.com/UnsignedArduino/Chessboard-Nano) |
+Chessboard-Pi
+
 # Chessboard-Hardware
 
 Hardware for a magnetic-piece-tracking digital chessboard! WIP
 
+This repository contains the KiCad PCB project for the majority of the Chessboard's wiring. 
+For the CAD files, see Chessboard-Design.
+For the Arduino Nano firmware, see [Chessboard-Nano](https://github.com/UnsignedArduino/Chessboard-Nano).
+For the Raspberry Pi firmware, see Chessboard-Pi.
+
 ## Notes
 
 ### Models