Examine source code of Quick Reminder, by Focuser

{
  "manifest_version": 2,
  "name": "Quick Reminder, by Focuser",
  "description": "Capture reminders in the browser, and sync them to Focuser.",
  "version": "1.0.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "quick-reminder@lifefocuser.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "authenticationInfo",
          "websiteContent"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "alarms",
    "notifications",
    "contextMenus",
    "https://lifefocuser.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Quick Reminder, by Focuser",
    "default_popup": "popup.html"
  }
}