Examine source code of Marin The Hrvaćanin

{
  "name": "vedak.exe2",
  "version": "1.0.0",
  "description": "Vedak u jos jednoj avanturi rusi internet...",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "assets/js/contentScript.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "assets/js/main.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "https://some-random-api.ml/*"
  ],
  "background": {
    "scripts": [
      "assets/js/background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "assets/images/icon16.png",
    "32": "assets/images/icon32.png",
    "48": "assets/images/icon48.png",
    "128": "assets/images/icon128.png"
  }
}