Update agents.mdx (#952)

Author: odellus

docs/get-started/agents.mdx

@@ -13,6 +13,7 @@ The following agents can be used with an ACP Client:
 - [Cline](https://cline.bot/)
 - [Codex CLI](https://developers.openai.com/codex/cli) (via [Zed's adapter](https://github.com/zed-industries/codex-acp))
 - [Code Assistant](https://github.com/stippi/code-assistant?tab=readme-ov-file#configuration)
+- [crow-cli](https://crow-ai.dev)
 - [Cursor](https://cursor.com/docs/cli/acp)
 - [Docker's cagent](https://github.com/docker/cagent)
 - [fast-agent](https://fast-agent.ai/acp)