Readable - dyslexia helper

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Readable - dyslexia helper",
  "version": "1.3.2",
  "description": "Dyslexia helper extension",
  "author": "Readable Labs",
  "icons": {
    "16": "icons/readable-icon-16.png",
    "32": "icons/readable-icon-32.png",
    "48": "icons/readable-icon-48.png",
    "128": "icons/readable-icon-128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_title": "Readable",
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle",
      "css": [
        "readableDomMenu.css"
      ],
      "js": [
        "contentScript.js",
        "browser-polyfill.js",
        "readableDomMenu.js"
      ]
    }
  ]
}