Examine source code of YouTube Ad Skipper

{
  "manifest_version": 2,
  "name": "YouTube Ad Skipper",
  "description": "YouTube Ad Skipper is an extension that automatically skips ads.",
  "version": "2.0",
  "author": "Mauro Guida",
  "homepage_url": "https://github.com/MauroGuida/YouTube-Ad-Skipper",
  "icons": {
    "48": "logo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "skipad.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b70dd780-8fad-46e2-b2d2-7fdcfaa59543}"
    }
  }
}