refactor: improve code formatting and readability

modules/store/src/main/scala/de/nowchess/store/redis/GameWritebackStreamListener.scala

@@ -40,8 +40,9 @@ class GameWritebackStreamListener:
   @PostConstruct
   def startListening(): Unit =
     createGroupIfAbsent()
-    executor.submit(new Runnable:
-      def run(): Unit = pollLoop()
+    executor.submit(
+      new Runnable:
+        def run(): Unit = pollLoop(),
     )
     log.infof("Started listening to game-writeback stream (consumer=%s)", consumerId)
 
@@ -54,7 +55,9 @@ class GameWritebackStreamListener:
   private def pollLoop(): Unit =
     while true do
       Try {
-        val messages = redis.stream(classOf[String]).xreadgroup(
+        val messages = redis
+          .stream(classOf[String])
+          .xreadgroup(
             groupName,
             consumerId,
             streamKey,