Examine source code of Integrator EasyRIPOK

{
  "manifest_version": 2,
  "name": "Integrator EasyRIPOK",
  "version": "0.0.3",
  "permissions": [
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/favicon_16x16.png",
      "32": "assets/favicon_32x32.png",
      "64": "assets/favicon_64x64.png",
      "128": "assets/favicon_128x128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://test-bdo.mos.gov.pl/*",
        "https://rejestr-bdo.mos.gov.pl/*"
      ],
      "js": [
        "content-bdo.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-front.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "assets/*.png",
    "assets/*.svg",
    "webfonts/*.woff2"
  ],
  "icons": {
    "16": "assets/favicon_16x16.png",
    "32": "assets/favicon_32x32.png",
    "64": "assets/favicon_64x64.png",
    "128": "assets/favicon_128x128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3ce8e94a-680b-438c-a279-b53cf3c9f47b}"
    }
  }
}