Examine source code of yyynet

{
  "name": "yyynet",
  "description": "For times when life in Israel is just not dramatic enough.",
  "version": "0.0.0.2",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "https://*.ynet.co.il/*",
        "https://*.walla.co.il/*"
      ],
      "js": [
        "content-script.js"
      ]
    },
    {
      "matches": [
        "https://*.mako.co.il/*"
      ],
      "js": [
        "content-script-mako.js"
      ]
    }
  ],
  "permissions": [],
  "icons": {
    "16": "/images/16.png",
    "32": "/images/32.png",
    "48": "/images/48.png",
    "128": "/images/128.png"
  }
}