Examine source code of google-ads-blocker

{
  "manifest_version": 2,
  "name": "google-ads-blocker",
  "description": "Google Ads Blocker",
  "version": "0.1",
  "content_scripts": [
    {
      "matches": [
        "*://*.google.es/*",
        "*://*.google.com/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ]
}