Examine source code of ScrollBye

{
  "manifest_version": 2,
  "name": "ScrollBye",
  "description": "Say goodbye to the scrollbars! This extension lets you scroll your Twitter timeline without using the mouse!",
  "version": "1.0",
  "icons": {
    "128": "img/icon.png"
  },
  "browser_action": {
    "default_popup": "popup/index.html",
    "defualt_title": "ScrollBye"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitter.com/*"
      ],
      "js": [
        "js/jquery-3.6.0.min.js",
        "js/scripts/main.min.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage"
  ]
}