Donald Trump to Dunald Troomp

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Donald Trump to Dunald Troomp",
  "short_name": "Trump to Troomp",
  "description": "Change the words Donald Trump on any page to Dunald Troomp",
  "manifest_version": 3,
  "version": "1.0",
  "icons": {
    "16": "images/troomp16.png",
    "32": "images/troomp32.png",
    "48": "images/troomp48.png",
    "128": "images/troomp128.png"
  },
  "action": {
    "default_icon": {
      "16": "images/troomp16.png",
      "32": "images/troomp32.png",
      "48": "images/troomp48.png",
      "128": "images/troomp128.png"
    },
    "default_popup": "popup.html"
  },
  "permissions": [
    "declarativeContent",
    "storage"
  ],
  "background": {
    "service_worker": "start.js"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "content_script.js"
      ],
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_end"
    }
  ]
}