Initial upload

docs/stardust-protocol/server/objects/hmd.md

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+# /hmd
+
+Reference object to the HMD being used to render content and track head position.
+
+## Signals
+### `setPosition(Vector3 position)`
+### `setRotation(Quaternion rotation)`
+### `setPose(Vector3 position, Quaternion rotation)`
+### `setIPD(double meters)`