Examine source code of HexaMagical

{
  "manifest_version": 3,
  "name": "HexaMagical",
  "version": "1.1.3",
  "description": "The magic eyedropper with pixel-grid zoom and instant harmonies.",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "primary@greengage.ltd",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon128.png"
  },
  "icons": {
    "128": "icon128.png"
  }
}