Examine source code of TelegramInstantViewFix

{
  "name": "TelegramInstantViewFix",
  "version": "1.0",
  "manifest_version": 2,
  "description": "Automatically redirect to instant view test site link.",
  "icons": {
    "48": "/TIVF.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://t.me/iv*"
      ],
      "js": [
        "script.js"
      ]
    }
  ]
}