RoseMask

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "RoseMask",
  "description": "Darkens portions of the screen to aid focus",
  "version": "0.1",
  "manifest_version": 3,
  "background": {
    "service_worker": "background.js"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "128": "assets/logo128.png"
    }
  },
  "icons": {
    "128": "assets/logo128.png"
  },
  "commands": {
    "command-name": {
      "suggested_key": "Ctrl+M",
      "description": "Toggle Mask"
    }
  }
}