Merge pull request #36 from KusStar/master

Make WaveformSeekBar inheritable

Author: massoudss

lib/src/main/java/com/masoudss/lib/WaveformSeekBar.kt

@@ -15,7 +15,7 @@ import kotlin.math.abs
 import kotlin.math.floor
 import kotlin.math.roundToInt
 
-class WaveformSeekBar @JvmOverloads constructor(
+open class WaveformSeekBar @JvmOverloads constructor(
     context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
 ) : View(context, attrs, defStyleAttr) {