Toggle LeetCode Syntax Highlighting

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Toggle LeetCode Syntax Highlighting",
  "description": "Practice writing code on LeetCode without the help of syntax highlighting.",
  "version": "1.0.6",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://leetcode.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://leetcode.com/problems/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "background": {
    "service_worker": "background.js"
  }
}