Blipread: page reading time

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Blipread: page reading time",
  "short_name": "Blipread",
  "version": "1.0.5",
  "description": "Page reading time in a minimal package.",
  "author": "Erin Casali",
  "options_page": "options/index.html",
  "icons": {
    "16": "icon/icon16.png",
    "32": "icon/icon32.png",
    "48": "icon/icon48.png",
    "128": "icon/icon128.png"
  },
  "action": {
    "default_title": "Minutes required for you to read this page"
  },
  "background": {
    "service_worker": "js/service_worker.js",
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "js/content.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "tabs",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ]
}