ACP UI supports Web Client! Connect to any remote ACP agent from browser

ACP UI now supports connecting to remote agents from any browser, with features like session management, traffic monitoring, and a $/ping heartbeat to keep sessions alive. This allows users to connect from any platform, including desktop, mobile, and web. To use, simply open the URL https://acp-ui.github.io/ in a browser. For local connections, use ws:// or clone the repo and run npm run preview:web locally.