Examine source code of KRTL-UA

{
  "description": "Make it Chrome.",
  "manifest_version": 2,
  "name": "krtl-ua",
  "version": "0.0.1",
  "homepage_url": "https://krtl.top",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "512": "icons/default.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8b574be8-bb0c-49a3-8d35-551138cf89b9}"
    }
  }
}