Examine source code of Timen Time Tracker

{
  "manifest_version": 3,
  "name": "Timen Time Tracker",
  "short_name": "Timen",
  "version": "1.0.1",
  "description": "One-click Timen time tracking inside the web tools you already use.",
  "browser_specific_settings": {
    "gecko": {
      "id": "timen@gettimen.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "websiteContent",
          "personalCommunications"
        ]
      }
    }
  },
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "action": {
    "default_icon": {
      "16": "images/icon-16.png",
      "32": "images/icon-32.png"
    },
    "default_title": "Timen Time Tracker",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "settings/settings.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "scripting",
    "alarms",
    "identity"
  ],
  "host_permissions": [
    "*://*.gettimen.com/*"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "commands": {
    "quick-start-stop-entry": {
      "description": "Quick start/stop timer (continues the latest entry)",
      "suggested_key": {
        "default": "Ctrl+Shift+E"
      }
    }
  }
}