docs(README.md): add compose package info

Author: ThibaultBee

README.md

@@ -18,8 +18,10 @@ Get StreamPack core latest artifacts on Maven Central:
 ```groovy
 dependencies {
     implementation 'io.github.thibaultbee.streampack:streampack-core:3.1.0'
-    // For UI (incl. PreviewView)
+    // For xml UI (incl. PreviewView)
     implementation 'io.github.thibaultbee.streampack:streampack-ui:3.1.0'
+    // Or compose UI (incl. SourcePreview)
+    implementation 'io.github.thibaultbee.streampack:streampack-compose:3.1.0'
     // For services (incl. screen capture/media projection service)
     implementation 'io.github.thibaultbee.streampack:streampack-services:3.1.0'
     // For RTMP
@@ -150,6 +152,8 @@ minutes, you will be able to stream live video to your server.
 
 5. Inflates the preview with the streamer
 
+   Either `xml` UI
+
     ```kotlin
     val streamer = cameraSingleStreamer(context = requireContext()) // Already instantiated streamer
     val preview = findViewById<PreviewView>(R.id.preview) // Already inflated preview
@@ -166,6 +170,16 @@ minutes, you will be able to stream live video to your server.
     streamer.startPreview(preview)
     ```
 
+   Or Compose UI
+
+    ```kotlin
+    val streamer = cameraSingleStreamer(context = requireContext()) // Already instantiated streamer
+    
+    Box {
+        SourcePreview(streamer, modifier = Modifier.fillMaxSize())
+    }
+    ```
+
 6. Sets the device orientation
 
     ```kotlin