Add playground file for channels

Author: LukasLechnerDev

app/src/main/java/com/lukaslechner/coroutineusecasesonandroid/playground/flow/channels/2_sending_multiple_values.kt

@@ -0,0 +1,29 @@
+package com.lukaslechner.coroutineusecasesonandroid.playground.flow.channels
+
+import kotlinx.coroutines.channels.consumeEach
+import kotlinx.coroutines.channels.produce
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.launch
+
+suspend fun main(): Unit = coroutineScope {
+
+    val channel = produce<Int> {
+        println("Sending 10")
+        send(10)
+
+        println("Sending 20")
+        send(20)
+    }
+
+    launch {
+        channel.consumeEach { receivedValue ->
+            println("Consumer1: $receivedValue")
+        }
+    }
+
+    launch {
+        channel.consumeEach { receivedValue ->
+            println("Consumer2: $receivedValue")
+        }
+    }
+}