docs: add Atlassian Rovo Dev CLI to agents list

Added Atlassian Rovo Dev CLI to the list of agents that can be used with an ACP Client in the agents overview documentation.

Author: akhil-vempali

docs/overview/agents.mdx

@@ -5,6 +5,7 @@ description: "Agents implementing the Agent Client Protocol"
 
 The following agents can be used with an ACP Client:
 
+- [Atlassian Rovo Dev CLI](https://support.atlassian.com/rovo/docs/use-rovo-dev-cli/)
 - [Augment Code](https://docs.augmentcode.com/cli/acp)
 - [Claude Code](https://docs.anthropic.com/en/docs/claude-code/overview) (via [Zed's SDK adapter](https://github.com/zed-industries/claude-code-acp))
 - [Codex CLI](https://developers.openai.com/codex/cli) (via [Zed's adapter](https://github.com/zed-industries/codex-acp))