Examine source code of HealthCardPOS

{
  "manifest_version": 3,
  "name": "HealthCardPOS",
  "version": "3.2.0",
  "description": "Developed by Morteza Khodadadi Saloot",
  "author": "Morteza Khodadadi Saloot",
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "http://localhost/*",
    "http://127.0.0.1/*",
    "http://*.healthpishkhan.ir/*",
    "http://172.30.41.0/*",
    "http://172.30.41.2/*",
    "http://172.30.41.3/*",
    "http://172.30.41.5/*",
    "http://172.30.41.6/*"
  ],
  "background": {
    "scripts": [
      "service-worker.js"
    ],
    "type": "module"
  },
  "action": {
    "default_title": "داشبورد کارتخوان بهداشت",
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*.healthpishkhan.ir/*",
        "https://*.healthpishkhan.ir/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "icons": {
    "48": "icons/48x48.png",
    "96": "icons/96x96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "salamatiran@addon",
      "strict_min_version": "112.0"
    }
  }
}