Add devnull and redirect

[dreamer-coding]

Fossil XSDK Pull Request

Description

Redirect and devnull has been added to allow directing IO to dev/null

Testing

New test case for dev/null

Checklist

• Code follows the project's coding standards.
• Tests have been added or updated to cover the changes.
• Documentation has been updated to reflect the changes.
• The code has been reviewed by team members.
• All checks and tests pass.
• The license header and notices are updated where necessary.

License

This project is licensed under the Mozilla Public License - see the LICENSE file for details.