[🤖 readme-manager] Update README (#1)

Co-authored-by: lukasIO <mail@lukasseiler.de>

README.md

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 # LiveKit Agent Playground
 
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+The Agent Playground is designed for quickly prototyping with server side agents built with [LiveKit Agents Framework](https://github.com/livekit/agents). Easily tap into LiveKit WebRTC sessions and process or generate audio, video, and data streams.
+The playground includes components to fully interact with any LiveKit agent, through video, audio and chat.
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 ## Docs and references
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 - Mobile device sizes not supported currently
 
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+<br/><table>
+<thead><tr><th colspan="2">LiveKit Ecosystem</th></tr></thead>
+<tbody>
+<tr><td>Real-time SDKs</td><td><a href="https://github.com/livekit/components-js">React Components</a> · <a href="https://github.com/livekit/client-sdk-js">JavaScript</a> · <a href="https://github.com/livekit/client-sdk-swift">iOS/macOS</a> · <a href="https://github.com/livekit/client-sdk-android">Android</a> · <a href="https://github.com/livekit/client-sdk-flutter">Flutter</a> · <a href="https://github.com/livekit/client-sdk-react-native">React Native</a> · <a href="https://github.com/livekit/client-sdk-rust">Rust</a> · <a href="https://github.com/livekit/client-sdk-python">Python</a> · <a href="https://github.com/livekit/client-sdk-unity-web">Unity (web)</a> · <a href="https://github.com/livekit/client-sdk-unity">Unity (beta)</a></td></tr><tr></tr>
+<tr><td>Server APIs</td><td><a href="https://github.com/livekit/server-sdk-js">Node.js</a> · <a href="https://github.com/livekit/server-sdk-go">Golang</a> · <a href="https://github.com/livekit/server-sdk-ruby">Ruby</a> · <a href="https://github.com/livekit/server-sdk-kotlin">Java/Kotlin</a> · <a href="https://github.com/livekit/client-sdk-python">Python</a> · <a href="https://github.com/livekit/client-sdk-rust">Rust</a> · <a href="https://github.com/agence104/livekit-server-sdk-php">PHP (community)</a></td></tr><tr></tr>
+<tr><td>Agents Frameworks</td><td><a href="https://github.com/livekit/python-agents">Python</a> · <b>Playground</b></td></tr><tr></tr>
+<tr><td>Services</td><td><a href="https://github.com/livekit/livekit">Livekit server</a> · <a href="https://github.com/livekit/egress">Egress</a> · <a href="https://github.com/livekit/ingress">Ingress</a> · <a href="https://github.com/livekit/sip">SIP</a></td></tr><tr></tr>
+<tr><td>Resources</td><td><a href="https://docs.livekit.io">Docs</a> · <a href="https://github.com/livekit-examples">Example apps</a> · <a href="https://livekit.io/cloud">Cloud</a> · <a href="https://docs.livekit.io/oss/deployment">Self-hosting</a> · <a href="https://github.com/livekit/livekit-cli">CLI</a></td></tr>
+</tbody>
+</table>
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