Examine source code of YouTube Chapter Pauser

{
  "manifest_version": 2,
  "name": "YouTube Chapter Pauser",
  "description": "Stops YouTube video on a chosen chapter",
  "version": "1.0.5",
  "icons": {
    "16": "icons/icon_16.png",
    "32": "icons/icon_32.png",
    "48": "icons/icon_48.png",
    "128": "icons/icon_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "YCP@DonNinja.com"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/watch?v=*",
        "https://www.youtube.com/*"
      ],
      "js": [
        "src/jquery-3.7.0.min.js",
        "src/contentScript.js"
      ]
    }
  ]
}