README Link giving 404 - page not found

[Shubhamsaboo]

🤖 Agent2Agent (A2A) Protocol and ADK Integration

For remote agent-to-agent communication, ADK integrates with the A2A protocol. See this example for how they can work together.

https://github.com/a2aproject/a2a-samples/tree/main/samples/python/agents/google_adk

Example link is not working here.

[hangfei]

fixing in: #1744