Examine source code of Ticketmaster-Smart Queue Tool

{
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "miljan.sk@gmail.com",
      "strict_min_version": "42.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.ticketmaster.com/*",
        "*://*.ticketmaster.co.uk/*",
        "*://*.ticketmaster.com.au/*",
        "*://*.ticketmaster.be/*",
        "*://*.ticketmaster.ca/*",
        "*://*.ticketmaster.cz/*",
        "*://*.ticketmaster.cl/*",
        "*://*.ticketmaster.dk/*",
        "*://*.ticketmaster.de/*",
        "*://*.ticketmaster.es/*",
        "*://*.ticketmaster.fr/*",
        "*://*.ticketmaster.ie/*",
        "*://*.ticketmaster.it/*",
        "*://*.ticketmaster.com.mx/*",
        "*://*.ticketmaster.nl/*",
        "*://*.ticketmaster.co.nz/*",
        "*://*.ticketmaster.no/*",
        "*://*.ticketmaster.at/*",
        "*://*.ticketmaster.pl/*",
        "*://*.ticketmaster.sg/*",
        "*://*.ticketmaster.co.za/*",
        "*://*.ticketmaster.fi/*",
        "*://*.ticketmaster.se/*",
        "*://*.ticketmaster.ch/*",
        "*://*.ticketmaster.ae/*",
        "*://*.ticketmaster.gr/*",
        "*://*.livenation.com/*",
        "*://*.axs.com/*"
      ],
      "all_frames": false,
      "js": [
        "functions.js"
      ]
    }
  ],
  "description": "Kiwanis is Ticketmaster, AXS and Live Nation Smart Queue Assistant.",
  "icons": {
    "16": "images/favicon-16x16.png",
    "32": "images/favicon-32x32.png",
    "48": "images/favicon-48x48.png",
    "128": "images/favicon-128x128.png"
  },
  "manifest_version": 3,
  "name": "AXS and Ticketmaster - Smart Queue Assistant",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/favicon-16x16.png",
      "32": "images/favicon-32x32.png",
      "48": "images/favicon-48x48.png",
      "128": "images/favicon-128x128.png"
    }
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "version": "1.20"
}