Examine source code of Quickk Notess

{
  "manifest_version": 3,
  "name": "Quick Notes",
  "version": "1.0.1",
  "description": "Write and organize notes by headings.",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png"
    }
  },
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "icon.png",
    "32": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y"
      },
      "description": "Open Quick Notes popup"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "quick-notes-public@example.com",
      "strict_min_version": "109.0"
    }
  }
}