Examine source code of Poxy Proxy

{
  "manifest_version": 2,
  "name": "PoxyProxy",
  "version": "1.0",
  "description": "A simple proxy toggler.",
  "browser_specific_settings": {
    "gecko": {
      "id": "Nashpoxyproxy@yourdomain.com",
      "strict_min_version": "91.1.0"
    }
  },
  "permissions": [
    "proxy",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "PoxyProxy (Off)"
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "icons": {
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}