Examine source code of Chzzk Adblocker

{
  "manifest_version": 2,
  "name": "Chzzk Adblocker",
  "version": "1.0",
  "description": "",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "512": "icon.png"
  },
  "applications": {
    "gecko": {
      "id": "chzzkad-block@icus.dev"
    }
  }
}