Examine source code of Receptariusz AMARA

{
  "manifest_version": 2,
  "name": "Receptariusz AMARA",
  "description": "Wtyczka do przeszukiwania receptur",
  "version": "1.1.3",
  "content_scripts": [
    {
      "matches": [
        "https://*.drw.pl/secure/*",
        "https://*.twojnzoz.pl/Main/*",
        "https://*.serum.com.pl/dpls/*"
      ],
      "js": [
        "/scripts/jquery.min.js",
        "content.mjs"
      ]
    }
  ],
  "permissions": [
    "https://receptariusz.amara.pl/*",
    "https://receptury.hxspace.pl/*",
    "tabs"
  ],
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": "favicon.png"
  }
}