Examine source code of Office System

{
  "manifest_version": 3,
  "name": "Office System Connector",
  "version": "2.1",
  "permissions": [
    "cookies",
    "alarms",
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "*://bdris.gov.bd/*",
    "https://office.birthsupportbd.xyz/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "office-connector-v2-multi-pc@birthsupportbd.xyz",
      "strict_min_version": "109.0"
    }
  }
}