Fix NoSuchMethodError when calling CameraXHelper.createCameraProvider without useCases (#546)

* Fix NoSuchMethodError No virtual method createCameraProvider caused by method kotlin optional argument

* Fix typo in readme

* Use JvmOverloads

@@ -55,14 +55,14 @@ We provide a convenience `ScaleZoomHelper` class that can handle pinch-to-zoom f
 
 ### Taking a high quality picture
 
-This allows you to take a high picture without interrupting the video stream.
+This allows you to take a picture without interrupting the video stream.
 
 ```
 // Pass in the imageCapture use case when creating the camera provider
 val imageCapture = ImageCapture.Builder()
     .setCaptureMode(ImageCapture.CAPTURE_MODE_MAXIMIZE_QUALITY)
     .build()
-CameraXHelper.createCameraProvider(lifecycleOwner, arrayOf(imageCapture).let {
+CameraXHelper.createCameraProvider(lifecycleOwner, arrayOf(imageCapture)).let {
     if (it.isSupported(application)) {
         CameraCapturerUtils.registerCameraProvider(it)
 

@@ -29,7 +29,6 @@ import io.livekit.android.room.track.video.CameraEventsDispatchHandler
 
 class CameraXHelper {
     companion object {
-
         /**
          * Creates a CameraProvider that uses CameraX for its sessions.
          *
@@ -40,6 +39,7 @@ class CameraXHelper {
          * @param lifecycleOwner The lifecycleOwner which controls the lifecycle transitions of the use cases.
          * @param useCases The use cases to bind to a lifecycle.
          */
+        @JvmOverloads
         @ExperimentalCamera2Interop
         fun createCameraProvider(
             lifecycleOwner: LifecycleOwner,