* Create workflow evaluation with Foundry demo * Upgrade syntax * Add copyright line * import fix * import fix * address pr comments * Python: Workflow eval sample - print evaluator names * Python: Workflow eval - address PR comments * Update samples readme --------- Co-authored-by: Salma Elshafey <selshafey@microsoft.com> Co-authored-by: Evan Mattson <35585003+moonbox3@users.noreply.github.com>