[RFC] Single-file multi-axis

[Khrull]

I have released a version of XTP (v0.55b) with the minimum required properties of the agreed upon format. Actions array and channels object as documented here:

@Dimava

{
  "version": "2.0",
  "metadata": {
    "title": "Example Script",
    "creator": "John Doe",
    "tags": [
      "non-vr",
      "animation"
    ],
    "duration": 180.0017,
    "durationTime": "00:03:00.017"
  },
  "actions":[{"at":0,"pos":50}],
  "channels": {
    "random_text": {
      "actions":[{"at":0,"pos":50}]
    },
    "roll": {
      "actions":[{"at":1000,"pos":75}]
    },
    "vibe": {
      "actions":[{"at":2000,"pos":25}]
    }
  }