Examine source code of Profreplies

{
  "manifest_version": 2,
  "name": "Profreplies",
  "version": "2.1",
  "description": "Несет хуйню в сообщениях вк",
  "icons": {
    "48": "icons/border-48.png"
  },
  "applications": {
    "gecko": {
      "id": "sawerford10@gmail.com",
      "strict_min_version": "48.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.vk.com/*"
      ],
      "js": [
        "profreplies.js"
      ]
    }
  ],
  "permissions": [
    "https://pelevin.gpt.dobro.ai/*"
  ]
}