Feat: 5-ai-red-teaming-agent

Requirement: Implement AI Red Teaming Agent

Port [https://github.com/microsoft/agentic-ai-lab/tree/4fca7d84e205bd03a0fa316db1b3893f5aeb8da3/ai-red-teaming-agent](https://github.com/microsoft/agentic-ai-lab/tree/4fca7d84e205bd03a0fa316db1b3893f5aeb8da3/ai-red-teaming-agent) to dotnet