Examine source code of BSE BM&FR Extractor

{
  "manifest_version": 3,
  "name": "BSE BM&FR Extractor",
  "short_name": "BM&FR",
  "version": "1.3.1",
  "description": "Finds company names and PDF links from BSE announcements, filters them by your company list, and exports a clean text file.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Open BSE BM&FR Extractor",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "scripting",
    "downloads"
  ],
  "host_permissions": [
    "https://www.bseindia.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bse-bmfr-extractor@bse-tools.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}