Convert MAF agents for .NET/Python to skill

[aaronpowell]

Files in question:

• https://github.com/github/awesome-copilot/blob/main/agents/microsoft-agent-framework-dotnet.agent.md
• https://github.com/github/awesome-copilot/blob/main/agents/microsoft-agent-framework-python.agent.md