Examine source code of Fire-pyLoad

{
  "manifest_version": 2,
  "name": "Fire-pyLoad",
  "version": "2.0.12",
  "description": "pyLoad Command Add-On",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "@fire-pyload"
    }
  },
  "icons": {
    "48": "icons/48.png"
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/48.png"
    },
    "default_title": "Fire-pyLoad",
    "default_popup": "popup/downloads.html"
  },
  "options_ui": {
    "page": "popup/options.html"
  },
  "permissions": [
    "menus",
    "notifications",
    "storage",
    "activeTab",
    "tabs",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "Background/Main.js"
    ]
  }
}