VOXELFORMAT: CUBZH: add animation support

[mgerhardy]

https://github.com/Nanskip/cubzh-modules/tree/main/nanimator

{
    "animations": {
        "default": {
            "playSpeed": 12,
            "loopStart": 0,
            "loopEnd": 0,
            "maxTime": 35,
            "shapes": {
                "shape_1": {
                    "name": "shape_1",
                    "frames": {
                        "13_": {
                            "position": {
                                "_x": 0,
                                "_y": 0,
                                "_z": 0
                            },
                            "rotation": {
                                "_w": -0.490904,
                                "_edirty": false,
                                "_y": 0,
                                "_z": -0,
                                "_ey": 0,
                                "_ez": 4.16785,
                                "_x": 0.871213,
                                "_ex": 0
                            },
                            "interpolation": "linear"
                        },
                        "0_": {
                            "position": {
                                "_x": 0,
                                "_y": 0,
                                "_z": 0
                            },
                            "rotation": {
                                "_w": 1,
                                "_edirty": false,
                                "_y": 0,
                                "_z": 0,
                                "_ey": 0,
                                "_ez": 0,
                                "_x": 0,
                                "_ex": 0
                            },
                            "interpolation": "linear"
                        },
                        "35_": {
                            "position": {
                                "_x": 0,
                                "_y": 0,
                                "_z": 0
                            },
                            "rotation": {
                                "_w": -0.999552,
                                "_edirty": false,
                                "_y": 0,
                                "_z": 0,
                                "_ey": 0,
                                "_ez": 6.22333,
                                "_x": 0.029921,
                                "_ex": -0
                            },
                            "interpolation": "linear"
                        }
                    }
                }
            }
        }
    },
    "shape": "lunarloo.damn_sword",
    "shapeType": "shape"
}