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manifest.json
{
  "manifest_version": 3,
  "name": "Know Your Environment",
  "version": "1.1",
  "description": "Manage and customize environment indicators for your websites.",
  "icons": {
    "128": "icons/logo.png"
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "options_page": "index.html",
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_icon": "icons/logo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}