Examine source code of BaZiFlow BaZi Chart

{
  "manifest_version": 3,
  "name": "BaZiFlow BaZi Chart",
  "short_name": "BaZiFlow",
  "version": "0.1.0",
  "description": "Generate a Four Pillars BaZi chart, element balance, and luck cycles in your browser.",
  "action": {
    "default_title": "BaZiFlow BaZi Chart",
    "default_popup": "index.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://baziflow.com/*"
  ],
  "homepage_url": "https://baziflow.com",
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@baziflow.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "locationInfo",
          "personallyIdentifyingInfo"
        ]
      }
    }
  }
}