Update README to include Clients section

Added a new section for Clients with their statuses and resources.

Author: NathanTarbert

README.md

@@ -134,6 +134,13 @@ AG-UI was born from CopilotKit's initial partnership with LangGraph and CrewAI -
 | [Flowise]() | 🛠️ In Progress | ➡️ [GitHub Source](https://github.com/ag-ui-protocol/ag-ui/issues/367) | Community |
 | [Langflow]() | 🛠️ In Progress | ➡️ [GitHub Source](https://github.com/ag-ui-protocol/ag-ui/issues/366) | Community |
 
+## Clients
+
+| Client | Status | AG-UI Resources | Integrations |
+| --- | ------- | ---------------- | ------------- |
+| [CopilotKit]() | ✅ Supported | ➡️ [Getting Started](https://docs.copilotkit.ai/direct-to-llm/guides/quickstart) | 1st Party |
+| [Terminal + Agent]() | ✅ Supported | ➡️ [etting Started](https://docs.ag-ui.com/quickstart/clients) | Community |
+| [React Native]() | 🛠️ Help Wanted | ➡️ [GitHub Source](https://github.com/ag-ui-protocol/ag-ui/issues/366) | Community |
 
 [View all supported frameworks →](https://docs.ag-ui.com/introduction#supported-frameworks)