feat: add history script

[nmattia]

This adds a JS script which produces a JSON object with information about which colors have been added/removed/modified on what dates.

---

[
  {
    "date": "2023-12-07 21:25:12 +0100",
    "added": [
      {
        "name": "Lusty Gallant",
        "hex": "#fd7f4f"
      },
      {
        "name": "OMGreen",
        "hex": "#8ca891"
      },
      {
        "name": "Smooch",
        "hex": "#7e2056"
      },
      {
        "name": "Takaka",
        "hex": "#3d4d78"
      },
      {
        "name": "Underclover",
        "hex": "#428c49"
      }
    ],
    "removed": [],
    "changed": [
      {
        "name": "Poppy Pompadour",
        "hex": "#6b3fa0"
      }
    ]
  },
  {
    "date": "2023-12-05 11:55:16 +0100",
    "added": [
      {
        "name": "Schabziger Green",
        "hex": "#e2e2b5"
      }
  ...

[github-actions]

🎉 This PR is included in version 10.18.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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