Examine source code of MultiPoint Gradient

{
  "manifest_version": 3,
  "name": "MultiPoint Gradient",
  "version": "1.0.1",
  "description": "Pick colors from any webpage, sample gradients with a line tool, and export as CSS, Tailwind, SVG, or JSON.",
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup/index.html",
    "default_icon": {
      "128": "assets/icons/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "background/service-worker.js"
    ]
  },
  "icons": {
    "128": "assets/icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "multipoint-gradient@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}