Examine source code of NREGA Demand Automation

{
  "manifest_version": 3,
  "name": "NREGA Demand Automation",
  "version": "1.0.1",
  "description": "Compact draggable panel & date picker for NREGA demand_new.aspx with saved position. Safe DOM build.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://nregade3.nic.in/netnrega/demand_new.aspx"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "host_permissions": [
    "https://nregade3.nic.in/netnrega/demand_new.aspx"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "nrega-demand-automation@example.com",
      "strict_min_version": "109.0"
    }
  }
}