Examine source code of Sheet Navigator

{
  "name": "Sheet Navigator",
  "version": "2.5",
  "description": "Allows to easily filter, sort and navigate to all tabs (sheets) in a Google Spreadsheet. Provided by Snowprint Studios AB.",
  "author": "Snowprint Studios AB",
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+S"
      }
    }
  },
  "manifest_version": 3,
  "action": {
    "default_title": "Sheet Navigator",
    "default_icon": "logo.png",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "settings.html"
  },
  "icons": {
    "128": "logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sheet-navigator@snowprintstudios.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}