Examine source code of EmailHunter

{
  "name": "EmailHunter",
  "short_name": "EmailHunter",
  "version": "0.1.0",
  "description": "__MSG_ext_description__",
  "manifest_version": 2,
  "default_locale": "en",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "html/popup.html",
    "default_title": "EmailHunter",
    "default_icon": {
      "16": "res/icons/logo/logo_16.png",
      "32": "res/icons/logo/logo_32.png",
      "48": "res/icons/logo/logo_48.png",
      "128": "res/icons/logo/logo_128.png"
    }
  },
  "icons": {
    "16": "res/icons/logo/logo_16.png",
    "32": "res/icons/logo/logo_32.png",
    "48": "res/icons/logo/logo_48.png",
    "128": "res/icons/logo/logo_128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [],
      "js": [
        "js/jquery.js",
        "js/arrive.min.js",
        "js/contentScript.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "res/icons/logo/logo_128.png"
  ],
  "permissions": [
    "storage",
    "contextMenus",
    "<all_urls>",
    "webRequest"
  ],
  "author": "Oziku Technologies LLC",
  "browser_specific_settings": {
    "gecko": {
      "id": "{6b3cdb42-1c9a-4760-806d-ad5fb8754cb4}"
    }
  }
}