Examine source code of Spike Week Draft Hacker

{
  "content_scripts": [
    {
      "css": [
        "css/common.css"
      ],
      "js": [
        "lib/jquery-3.3.1.min.js",
        "lib/browser-polyfill.js",
        "js/popup.min.js",
        "js/login.js",
        "underdog/udCommon.js",
        "underdog/udDownloadHelper.js"
      ],
      "matches": [
        "https://underdogfantasy.com/*",
        "https://app.underdogfantasy.com/*",
        "https://app.underdogsports.com/*"
      ],
      "run_at": "document_idle"
    },
    {
      "css": [
        "css/common.css"
      ],
      "js": [
        "lib/jquery-3.3.1.min.js",
        "lib/browser-polyfill.js",
        "js/popup.min.js",
        "js/login.js",
        "js/common.js",
        "underdog/udCommon.js",
        "underdog/udDraftHelper.js"
      ],
      "matches": [
        "https://underdogfantasy.com/*",
        "https://app.underdogfantasy.com/*",
        "https://app.underdogsports.com/*"
      ],
      "run_at": "document_idle"
    },
    {
      "css": [
        "css/common.css"
      ],
      "js": [
        "lib/jquery-3.3.1.min.js",
        "lib/browser-polyfill.js",
        "js/popup.min.js",
        "js/login.js",
        "draftkings/dkDownload.js"
      ],
      "matches": [
        "https://www.draftkings.com/*mycontests*",
        "https://www.draftkings.co.uk/*mycontests*"
      ],
      "run_at": "document_end"
    },
    {
      "css": [
        "draftkings/dkDraftHelper.css",
        "css/common.css"
      ],
      "js": [
        "lib/jquery-3.3.1.min.js",
        "lib/browser-polyfill.js",
        "js/popup.min.js",
        "lib/html2canvas.js",
        "js/login.js",
        "js/common.js",
        "draftkings/dkDraftHelper.js"
      ],
      "matches": [
        "https://www.draftkings.com/draft/snake/*",
        "https://www.draftkings.co.uk/draft/snake/*"
      ],
      "run_at": "document_idle"
    },
    {
      "css": [
        "css/common.css"
      ],
      "js": [
        "lib/jquery-3.3.1.min.js",
        "lib/browser-polyfill.js",
        "js/popup.min.js",
        "js/login.js",
        "drafters/draftersDownload.js"
      ],
      "matches": [
        "https://drafters.com/*"
      ],
      "run_at": "document_idle"
    },
    {
      "css": [
        "css/common.css"
      ],
      "js": [
        "lib/jquery-3.3.1.min.js",
        "lib/browser-polyfill.js",
        "js/popup.min.js",
        "js/login.js",
        "js/common.js",
        "drafters/draftersDraftHelper.js"
      ],
      "matches": [
        "https://drafters.com/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "name": "Spike Week Draft Hacker",
  "version": "3.0.32",
  "manifest_version": 3,
  "description": "All-in-one best ball tool for underdog, drafters and draftkings",
  "icons": {
    "16": "icons/SpikeWeek_Logo.png"
  },
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "spikeweek@spikeweek.com",
      "strict_min_version": "58.0"
    }
  }
}