Examine source code of Salad's Machine Renamer

{
  "manifest_version": 3,
  "name": "Salad's Machine Renamer",
  "version": "1.2",
  "description": "Display machine names instead of machine IDs in the Salad website",
  "content_scripts": [
    {
      "matches": [
        "*://salad.com/earn/*"
      ],
      "js": [
        "renamer.js"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "icons": {
    "48": "icons/logo-48.png",
    "96": "icons/logo-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{37a01847-eee0-4da1-8caf-0c2ed4b7ad4f}"
    }
  }
}