Examine source code of Peperoxy

{
  "manifest_version": 2,
  "author": "Andrey Verlin",
  "name": "Peperoxy",
  "description": "Simple tool to proxy specified HTTP and HTTPS requests.",
  "version": "1.2",
  "icons": {
    "32": "icons/feelsweird_32.png"
  },
  "browser_action": {
    "default_icon": "icons/feelsweird_32.png",
    "default_title": "Proxy"
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "91.1.0"
    }
  },
  "background": {
    "scripts": [
      "background/proxy-handler.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true
  },
  "permissions": [
    "menus",
    "proxy",
    "storage",
    "<all_urls>"
  ]
}