Broken links: SECURITY. md and LICENSE.md in LangChain Sample Agent - Node.js README

[garrytrinder]

Describe the bug
The README.md file for the LangChain Sample Agent - Node.js (nodejs/langchain/sample-agent/README.md) references SECURITY.md and LICENSE. md files that do not exist in the repository:

• Security: For security issues, please see SECURITY.md
• Licensed under the MIT License - see the LICENSE file for details.

These links result in 404 errors when visited.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'nodejs/langchain/sample-agent/README.md'
2. Scroll to the end of the README file
3. Click on SECURITY.md and/or [LICENSE.md](LICENSE. md) links
4. Observe 404 Not Found errors

Expected behavior
Links should point to valid, existing files or documentation. If those files do not exist, the references should be removed or updated.

Screenshots
N/A

Environment (please complete the following information):

• OS: Any
• SDK Version: N/A

Additional context
This affects the LangChain Sample Agent - Node.js in the following path:
nodejs/langchain/sample-agent

Relevant section in README.md:

- **Security**: For security issues, please see [SECURITY.md](SECURITY.md)
Licensed under the MIT License - see the [LICENSE](LICENSE.md) file for details.

Neither file exists at the referenced locations.