Add agent name to MCP-Agent configuration

Author: saqadri

src/mcp_agent/data/templates/mcp_agent.config.yaml

@@ -2,6 +2,8 @@
 # Config definition: https://github.com/lastmile-ai/mcp-agent/blob/main/src/mcp_agent/config.py
 $schema: https://raw.githubusercontent.com/lastmile-ai/mcp-agent/refs/heads/main/schema/mcp-agent.config.schema.json
 
+name: hello_world_agent
+
 # Execution engine: asyncio or temporal
 # For temporal mode, see: https://github.com/lastmile-ai/mcp-agent/blob/main/examples/temporal/README.md
 execution_engine: asyncio