Edit README

README.md

@@ -32,13 +32,21 @@ The user can apply arbitrary rotations in a pair of orthogonal planes
 The control scheme is as follows:
 
 A Button: Cycles through planes of rotation.
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 B Button: Resets objects orientation.
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 X Button: Switches to orthographic projection.
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 Y Button: Switches to stereographic projection.
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 Left Menu Button: Quits application.
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 Right Menu Button: Open Oculus menu.
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 Left/Right Index Trigger: Cycles through objects.
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 Right Grip Trigger: Three-dimensional rotations. (Twist right wrist as if grabbing and turning a dial)
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 Left Grip Trigger: Four-dimensional rotations. (Twist left wrist as if grabbing and turning a dial)