Examine source code of autoSkipYTAd

{
  "manifest_version": 2,
  "name": "autoSkipYTAd",
  "version": "1.0.1",
  "description": "Auto skip youtube ad if not unskippable ads",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "skipAd.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{01ba6d84-0e4c-4ce1-abe9-1d767ec4dab7}"
    }
  }
}