Examine source code of JutsuSkipMan

{
  "manifest_version": 2,
  "name": "JutsuSkipMan",
  "version": "1.0",
  "description": "Skips all buttons , such as: skip intro/outro, next season/episode",
  "icons": {
    "48": "icons/JutsuSkipManLogo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://jut.su/*"
      ],
      "js": [
        "skip.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{84402cc1-23fe-4b57-bb8c-2a4d011382a5}"
    }
  }
}