Examine source code of Remove HBO loading dots

{
  "name": "Remove HBO loading dots",
  "description": "HBO player has a bug that makes the loading dots appear continuously. This extension simply removes them.",
  "version": "1.0",
  "permissions": [
    "https://play.hbomax.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://play.hbomax.com/*"
      ],
      "run_at": "document_end",
      "js": [
        "content-script.js"
      ]
    }
  ],
  "manifest_version": 2
}