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manifest.json
{
  "manifest_version": 3,
  "version": "0.2.3",
  "name": "Design Mode - Page's Rich Text Editor",
  "description": "__MSG_description__",
  "default_locale": "en",
  "permissions": [
    "storage",
    "notifications",
    "activeTab",
    "scripting"
  ],
  "background": {
    "service_worker": "worker.js"
  },
  "homepage_url": "https://add0n.com/design-mode.html",
  "icons": {
    "16": "/data/icons/16.png",
    "32": "/data/icons/32.png",
    "48": "/data/icons/48.png",
    "64": "/data/icons/64.png",
    "128": "/data/icons/128.png",
    "256": "/data/icons/256.png",
    "512": "/data/icons/512.png"
  },
  "offline_enabled": true,
  "action": {},
  "web_accessible_resources": [
    {
      "resources": [
        "/data/toolbar/index.html"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "commands": {
    "_execute_action": {}
  },
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}