Examine source code of Zen Reminder

{
  "manifest_version": 2,
  "name": "Zen Reminder",
  "version": "1.0",
  "description": "Un reminder simple et esthétique avec édition/suppression.",
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "storage",
    "alarms",
    "notifications",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Zen Reminder"
  },
  "sidebar_action": {
    "default_title": "Zen Reminder",
    "default_panel": "dashboard.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "zen-reminder@example.com",
      "strict_min_version": "91.0"
    }
  }
}