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manifest.json
{
  "manifest_version": 3,
  "version": "20.21.12.1",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "name": "__MSG_appName__",
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_icon": {
      "128": "img/icon128.png"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' ; object-src 'self'; child-src 'self'; worker-src 'self'",
    "sandbox": "sandbox allow-scripts; script-src 'self' 'unsafe-eval' blob: 'unsafe-inline'; object-src 'self' 'unsafe-eval' blob: 'unsafe-inline';child-src 'self' 'unsafe-eval' blob: 'unsafe-inline' ; worker-src 'self' 'unsafe-eval' blob: 'unsafe-inline'; script-src-elem 'self' 'unsafe-eval' blob: 'unsafe-inline'"
  },
  "sandbox": {
    "pages": [
      "index.html"
    ]
  },
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}