Examine source code of Code Snippet Manager

{
  "manifest_version": 3,
  "name": "Code Snippet Manager",
  "version": "1.0",
  "description": "Save and organize code snippets for developers.",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "icons/icon-128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c3d9f5a2-7b8d-4e9a-8f2d-6b9a92dcf8cd}"
    }
  }
}