Examine source code of McGill Enhanced

{
  "browser_specific_settings": {
    "gecko": {
      "id": "{fbd3b601-613b-4747-a92b-4d37b2fd7667}"
    }
  },
  "name": "McGill Enhanced",
  "author": "kozirisdev",
  "manifest_version": 3,
  "version": "4.4.7",
  "description": "Enhance the functionality of McGill.ca",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.mcgill.ca/*",
    "*://demetrios-koziris.github.io/*"
  ],
  "background": {
    "scripts": [
      "js/serviceWorker.js"
    ]
  },
  "action": {
    "default_icon": {
      "38": "images/mcgill-128.png",
      "128": "images/mcgill-128.png"
    },
    "default_popup": "menu/quicklinksMenu.html",
    "default_title": "Click to view Quick Links Menu!"
  },
  "icons": {
    "128": "images/mcgill-128.png"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "*://*.mcgill.ca/*",
        "*://demetrios-koziris.github.io/*"
      ],
      "js": [
        "js/preInit.js",
        "js/initStyling.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://*.mcgill.ca/*",
        "*://demetrios-koziris.github.io/*"
      ],
      "js": [
        "lib/purify.min.js",
        "lib/jquery-3.5.1.min.js",
        "lib/tooltipsy.min.js",
        "lib/md5.js",
        "lib/uuid-random.min.js",
        "lib/fileSaver.js",
        "lib/ics.js",
        "js/dataDocuum.js",
        "js/dataMercury.js",
        "js/dataRecordings.js",
        "js/dataClassAverages.js",
        "js/dataCourseTitles.js",
        "js/dataMcGillMap.js",
        "js/addSidebar.js",
        "js/addYearMenu.js",
        "js/addAveCrowdsource.js",
        "js/addProfLinks.js",
        "js/addCourseLinks.js",
        "js/applyToolTipsy.js",
        "js/addCourseTitleTooltips.js",
        "js/addScheduleExporter.js",
        "js/addOneClickVSBRegistration.js",
        "js/addVSBClassLinks.js",
        "js/initEnhancement.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "css/sidebar.css",
        "css/yearMenu.css",
        "css/aveCrowdsource.css",
        "css/profLinks.css",
        "css/programs.css",
        "css/vsb.css",
        "css/minerva.css",
        "images/*.png"
      ],
      "matches": [
        "*://*.mcgill.ca/*",
        "*://demetrios-koziris.github.io/*"
      ]
    }
  ]
}