Simplified to Traditional Chinese converter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Simplified to Traditional Chinese converter",
  "short_name": "S to T",
  "description": "Converts simplified chinese characters to traditional characters",
  "version": "1.0",
  "manifest_version": 3,
  "background": {
    "service_worker": "index.js"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "https://*/*"
      ],
      "js": [
        "chinese_converter.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/images/StoT16.png",
      "32": "/images/StoT32.png",
      "48": "/images/StoT48.png",
      "128": "/images/StoT128.png"
    }
  },
  "icons": {
    "16": "/images/StoT16.png",
    "32": "/images/StoT32.png",
    "48": "/images/StoT48.png",
    "128": "/images/StoT128.png"
  },
  "permissions": [
    "scripting",
    "storage",
    "activeTab"
  ]
}