Examine source code of Tabinator

{
  "manifest_version": 2,
  "name": "Tabinator",
  "version": "1.0.1",
  "description": "Minimalistic tab unloader. Automatically discards tabs that were not activated in a long time, without ever touching favicons. No permissions required.",
  "homepage_url": "https://github.com/ScienceDiscoverer",
  "browser_specific_settings": {
    "gecko": {
      "id": "tabinator@inator.xyz"
    }
  },
  "icons": {
    "24": "ico.svg",
    "48": "ico.svg",
    "96": "ico.svg",
    "192": "ico.svg"
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": false
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}