make factorio ID value classes, nicer, and remove 'EncodeDefault' from colours

modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/eventProcessor.kt

@@ -9,9 +9,6 @@ import org.http4k.server.Undertow
 import org.http4k.server.asServer
 
 
-//private val appProps = ApplicationProperties()
-
-
 fun main(): Unit = runBlocking {
 
   KafkatorioKafkaAdmin.createKafkatorioTopics()

modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/topology/flowMapTiles.kt

@@ -70,7 +70,7 @@ private value class TilePngFilename(
 ) {
   constructor(cmd: Cmd.CreateImage) : this(buildString {
     append("src/main/resources/kafkatorio-web-map")
-    append("/s${cmd.surfaceIndex.value}")
+    append("/s${cmd.surfaceIndex}")
     append("/z${cmd.chunkSize.zoomLevel}")
     append("/x${cmd.chunkPosition.x}")
     append("/y${cmd.chunkPosition.y}")