Examine source code of ClearClarify

{
  "manifest_version": 2,
  "name": "ClearClarify",
  "version": "1.2",
  "description": "Profitez de vos vidéo en supprimant le bandeau clarify de youtube.",
  "update_rul": "https://github.com/cGIfl300/ClearClarify",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "clearclarify.js"
      ]
    }
  ]
}