Keycaps for Knight and SAIL keyboards (#39)

* Keycaps for Knight keyboard

* Keycaps for SAIL keyboard

README.md

@@ -18,6 +18,7 @@ The keyboard is designed using KiCad in order to be the most useful for anybody
 ### Coming soon:
 - Replace encoder board on Apple II/II+ keyboards
 - Convert an OSI 542 keyboard into a generic ASCII keyboard
+- Replica for Knight keyboard
 
 ### This keyboard project so far consists of:
 - A classic retro-style ASCII keyboard, modeled after the ADM-3A keyboard, which

hardware/keyboard-knight/README.md

@@ -0,0 +1,8 @@
+# Knight keyboard
+
+This keyboard replicates the keyboards on the MIT AI PDP-10.
+
+## Differences from the original include:
+
+1. The original keyboard used Hall effect switches. This keyboard uses
+   standard switches (either Cherry or Futaba).