Examine source code of Telex Redirecter

{
  "manifest_version": 2,
  "name": "Telex Redirecter",
  "version": "1.0",
  "description": "Redirects from index.hu to telex.hu when you forget that it is occupied by the goverment since 2020.",
  "icons": {
    "48": "icons/telex-48.png",
    "128": "icons/telex-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.index.hu/*"
      ],
      "js": [
        "index.js"
      ]
    }
  ]
}