Examine source code of Simple Temporary Containers

{
  "manifest_version": 2,
  "name": "Simple Temporary Containers",
  "version": "0.3.0",
  "description": "Create and destroy temporary containers.",
  "icons": {
    "48": "icons/icon-dark.svg",
    "96": "icons/icon-dark.svg"
  },
  "author": "ninevra",
  "homepage_url": "https://github.com/ninevra/Simple-Temporary-Containers",
  "permissions": [
    "contextualIdentities",
    "cookies",
    "menus"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b1cb64be-5668-4dc4-8aab-e8c78650a3c7}"
    }
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Alt+C"
      },
      "description": "Open a new temporary container tab"
    }
  },
  "browser_action": {
    "default_icon": "icons/icon-default.svg",
    "default_title": "Open a new temporary container tab",
    "default_area": "tabstrip",
    "theme_icons": [
      {
        "dark": "icons/icon-dark.svg",
        "light": "icons/icon-light.svg",
        "size": 16
      },
      {
        "dark": "icons/icon-dark.svg",
        "light": "icons/icon-light.svg",
        "size": 32
      }
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true,
    "type": "module"
  }
}