Added keymap "videck", an ErgoDox keymap for Vi(m) users.

keyboards/ergodox/keymaps/videck/readme.md

@@ -0,0 +1,24 @@
+ViDeck keymap for ErgoDox
+=========================
+
+This is a QWERTY layout based on the US layout, where Vi functionality has been
+especially considered.
+
+# Features
+* Mouse movements using the Vi movement keys.
+* Vi movement keys doubling as arrow keys.
+* Shift lock using double tap.
+* A coder's modifier key for easy input of parenthesis.
+* Acess to the escape key using either thumb.
+* Reasonably accessible Scroll Lock key (useful if you, like me, want to switch
+  to a non-US layout once in a while in X).
+
+# Missing keys
+* Caps Lock (shift lock is used instead).
+* Pause/Break.
+* Print Screen.
+
+# LEDs
+* Shift lock is indicated using first LED.
+* Arrow keys layer is indicated using second LED.
+* Mouse keys layer is indicated using third LED.