Examine source code of Tidy Tabs

{
  "manifest_version": 3,
  "name": "Tidy Tabs",
  "author": "TANIGUCHI Masaya",
  "version": "1.1.3",
  "description": "Automatically sorts tabs based on their hostnames",
  "homepage_url": "https://github.com/tani/tidy-tabs",
  "permissions": [
    "tabs"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "96": "icon96.png",
    "128": "icon128.png"
  },
  "action": {
    "default_title": "Tidy Tabs",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "96": "icon96.png",
      "128": "icon128.png"
    },
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f08845eb-6185-4946-a906-f17ba15bfae5}"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}