update readme (#211)

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+    <img style="width:100%;" alt="The LiveKit icon, the name of the repository and some sample code in the background." src="/.github/banner_light.png">
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 # Android Kotlin SDK for LiveKit
 
-<!--BEGIN_DESCRIPTION-->
-Official Android Client SDK for [LiveKit](https://github.com/livekit/livekit-server). Easily add
-video & audio capabilities to your Android apps.
-<!--END_DESCRIPTION-->
+<!--BEGIN_DESCRIPTION-->Use this SDK to add real-time video, audio and data features to your Android/Kotlin app. By connecting to a self- or cloud-hosted <a href="https://livekit.io/">LiveKit</a> server, you can quickly build applications like interactive live streaming or video calls with just a few lines of code.<!--END_DESCRIPTION-->
 
 Table of Contents
 =================
@@ -232,4 +235,13 @@ protoc_platform=osx-x86_64
 1. Download webrtc sources from https://webrtc.googlesource.com/src
 2. Add sources to Android Studio by pointing at the `webrtc/sdk/android` folder.
 
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+<br/><table>
+<thead><tr><th colspan="2">LiveKit Repositories Map</th></tr></thead>
+<tbody>
+<tr><td>Core Infra</td><td><a href="https://github.com/livekit/livekit">livekit</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/livekit-cli">livekit-cli</a></td></tr><tr></tr>
+<tr><td>Client SDKs</td><td><a href="https://github.com/livekit/components-js">Components</a> · <a href="https://github.com/livekit/client-sdk-js">JavaScript</a> · <a href="https://github.com/livekit/livekit-react">React</a> · <a href="https://github.com/livekit/client-sdk-swift">iOS</a> · <b>Android</b> · <a href="https://github.com/livekit/client-sdk-flutter">Flutter</a> · <a href="https://github.com/livekit/client-sdk-unity-web">Unity (web)</a> · <a href="https://github.com/livekit/client-sdk-react-native">React Native (beta)</a></td></tr><tr></tr>
+<tr><td>Server SDKs</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></td></tr>
+</tbody>
+</table>
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