Examine source code of SABconnect++ for Firefox

{
  "manifest_version": 2,
  "name": "SABconnect++ for Firefox",
  "version": "0.6.34firefox3",
  "description": "SABnzbd extension for Mozilla Firefox.",
  "browser_specific_settings": {
    "gecko": {
      "id": "sabconnectplusplus-firefox@bhack.net",
      "strict_min_version": "59.0"
    }
  },
  "background": {
    "scripts": [
      "third_party/jquery/jquery-1.9.1.min.js",
      "third_party/jquery/jquery.urldecoder.min.js",
      "third_party/fancy-settings/lib/store.js",
      "scripts/convert.js",
      "scripts/utility.js",
      "scripts/profile.js",
      "scripts/pages/common.js",
      "scripts/pages/background.js",
      "scripts/pages/context_menu.js"
    ]
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "settings.html"
  },
  "browser_action": {
    "default_icon": "images/toolbar_icon.svg",
    "default_title": "SABconnect++",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "images/addon_icon.svg",
    "96": "images/addon_icon.svg"
  },
  "web_accessible_resources": [
    "images/content_icon.png",
    "images/content_icon_error.png",
    "images/content_icon_fetching.png",
    "images/content_icon_success.png",
    "css/common.css"
  ],
  "permissions": [
    "*://*/*",
    "tabs",
    "notifications",
    "contextMenus",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.nzbclub.com/*",
        "*://*.bintube.com/*",
        "*://*.binsearch.info/*",
        "*://*.binsearch.net/*",
        "*://*.binsearch.co.uk/*",
        "*://*.binsear.ch/*",
        "*://*.nzbindex.com/*",
        "*://*.nzbindex.nl/*",
        "*://*.fanzub.com/*",
        "*://*.animezb.com/*",
        "*://animenzb.com/*",
        "*://*.animenzb.com/*",
        "*://*.dognzb.cr/*",
        "*://*.yubse.com/*",
        "*://*.omgwtfnzbs.me/*",
        "*://*.nzb-rss.com/*",
        "*://*.usenet4ever.info/*"
      ],
      "js": [
        "third_party/jquery/jquery-1.9.1.min.js",
        "scripts/content/common.js",
        "third_party/webtoolkit/webtoolkit.base64.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.nzbclub.com/*"
      ],
      "js": [
        "scripts/content/nzbclub.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.bintube.com/*"
      ],
      "js": [
        "scripts/content/bintube.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.binsearch.info/*",
        "*://*.binsearch.net/*",
        "*://*.binsearch.co.uk/*",
        "*://*.binsear.ch/*"
      ],
      "js": [
        "scripts/content/binsearch.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.nzbindex.com/*",
        "*://*.nzbindex.nl/*"
      ],
      "js": [
        "scripts/content/nzbindex.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.fanzub.com/*"
      ],
      "js": [
        "scripts/content/fanzub.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.animezb.com/*"
      ],
      "js": [
        "scripts/content/animezb.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://animenzb.com/*",
        "*://*.animenzb.com/*"
      ],
      "js": [
        "scripts/content/animenzb.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.dognzb.cr/*"
      ],
      "js": [
        "scripts/content/dognzb.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.yubse.com/*"
      ],
      "js": [
        "scripts/content/yubse.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://omgwtfnzbs.me/*"
      ],
      "js": [
        "scripts/content/omgwtfnzbs.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.nzb-rss.com/*"
      ],
      "js": [
        "scripts/content/nzbrss.js"
      ],
      "all_frames": true
    },
    {
      "all_frames": true,
      "js": [
        "scripts/content/usenet4ever.js"
      ],
      "matches": [
        "*://*.usenet4ever.info/*"
      ]
    }
  ]
}