Oh, my Dots! Game Creator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Oh, my Dots! Game Creator",
  "description": "Create a connect the dots game or picture maze game from any picture in your browser.",
  "version": "1.0",
  "icons": {
    "16": "omd-icon-16.png",
    "64": "omd-icon.png"
  },
  "permissions": [
    "contextMenus",
    "tabs"
  ],
  "background": {
    "service_worker": "assets/background.js",
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.ohmydots.com/*"
      ],
      "js": [
        "assets/content.js"
      ],
      "run_at": "document_start"
    }
  ]
}