added autoenv scenes

buildroot-v86/board/v86/rootfs_overlay/root/scene1/.env

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+echo "loading AFRAME glTF scene"
+cp index.html /root/index.html

buildroot-v86/board/v86/rootfs_overlay/root/scene1/index.html

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+<a-gltf-model src="https://coderofsalvation.github.io/xrsh-media/assets/background.glb" gltf-model=""></a-gltf-model>
+
+<a-text value="this is scene1" color="gray" position="-0.5 1.5 -2.5"></a-text>

buildroot-v86/board/v86/rootfs_overlay/root/scene2/.env

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+echo "loading THREE.js scene"
+echo "" > /root/index.html # empty scene
+cp index.js /root/index.js

buildroot-v86/board/v86/rootfs_overlay/root/scene2/index.js

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+const ascene = AFRAME.scenes[0]
+const scene  = ascene.object3D
+const object = new THREE.Mesh(
+	new THREE.BoxGeometry(1, 1, 1),
+	new THREE.MeshBasicMaterial({ color: 0xff0000 })
+);
+object.position.set(0.3, 1.4, -0.4)
+object.scale.set(0.2,0.2,0.2)
+
+// instead of animate() we use onAfterRender 
+// (or monkeypatch AFRAME.scenes[0].renderer.render() for full-control)
+object.onAfterRender = () => object.rotation.x += 0.01
+
+scene.add(object);

buildroot-v86/board/v86/rootfs_overlay/root/scene3/.env

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+echo "loading AFRAME demo scene"
+cp index.html /root/index.html

buildroot-v86/board/v86/rootfs_overlay/root/scene3/index.html

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+#!/bin/html
+<a-box position="-1 0.5 -3" rotation="0 45 0" color="#4CC3D9"></a-box>
+<a-sphere position="0 1.25 -5" radius="1.25" color="#EF2D5E"></a-sphere>
+<a-cylinder position="1 0.75 -3" radius="0.5" height="1.5" color="#FFC65D"></a-cylinder>
+<a-plane position="0 0.05 -4" rotation="-90 0 0" width="4" height="4" color="#7BC8A4"></a-plane>
+
+<a-text value="this is scene3" position="-0.5 1.5 -2.5"></a-text>