Examine source code of Aora WhatsApp Backup

{
  "manifest_version": 3,
  "name": "Aora WhatsApp Backup",
  "description": "Back up your own WhatsApp Web contacts and chats to CSV, Excel, VCard, JSON, or PDF.",
  "version": "1.0.2",
  "homepage_url": "https://ext.aorasoft.com",
  "default_locale": "en",
  "action": {
    "default_popup": "popup/index.html",
    "default_title": "Aora WhatsApp Backup",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "32": "assets/icons/icon-32.png",
      "48": "assets/icons/icon-48.png",
      "128": "assets/icons/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "permissions": [
    "alarms",
    "downloads",
    "scripting",
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "*://web.whatsapp.com/*",
    "https://ext.aorasoft.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://web.whatsapp.com/*"
      ],
      "js": [
        "page-runtime.js"
      ],
      "world": "MAIN",
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://web.whatsapp.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/logo.png"
      ],
      "matches": [
        "*://web.whatsapp.com/*"
      ]
    }
  ],
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "aora-whatsapp-backup@aorasoft.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}