Examine source code of Auto Groups

{
  "manifest_version": 2,
  "name": "Auto Groups",
  "description": "Automatically manage tab groups based on external APIs like GitHub PRs",
  "version": "1.1.1",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "permissions": [
    "tabs",
    "tabGroups",
    "storage",
    "alarms",
    "https://api.github.com/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "auto-groups@extension.dev",
      "strict_min_version": "138.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Auto Groups",
    "default_popup": "popup.html"
  }
}