Wordentifier: Improve Your Vocabulary

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Wordentifier: Improve Your Vocabulary",
  "description": "Improve vocabulary by automatically highlighting every word on your vocabulary list every time it appears on the website you visit.",
  "version": "0.0.0.4",
  "manifest_version": 3,
  "action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "contextMenus",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "background": {
    "service_worker": "script.js"
  },
  "icons": {
    "16": "logo.png",
    "48": "logo.png",
    "128": "logo.png"
  }
}