feat: add configurable CPU and memory scaling thresholds for auto-scaling

modules/coordinator/src/main/scala/de/nowchess/coordinator/service/AutoScaler.scala

@@ -98,7 +98,13 @@ class AutoScaler:
     else if s.endsWith("G") then s.dropRight(1).toLongOption.map(_ * 1000L * 1000L * 1000L).getOrElse(0L)
     else s.toLongOption.getOrElse(0L)
 
-  private def exceedsRatio(used: Long, request: Long, threshold: Double, resource: String, instanceId: String): Boolean =
+  private def exceedsRatio(
+      used: Long,
+      request: Long,
+      threshold: Double,
+      resource: String,
+      instanceId: String,
+  ): Boolean =
     if request <= 0 then false
     else
       val ratio = used.toDouble / request.toDouble
@@ -126,8 +132,10 @@ class AutoScaler:
               .flatMap(c => Option(c.getResources))
               .flatMap(r => Option(r.getRequests))
 
-            val cpuRequestMillis = requests.flatMap(m => Option(m.get("cpu"))).map(q => parseMillicores(q.toString)).getOrElse(0L)
-            val memRequestBytes  = requests.flatMap(m => Option(m.get("memory"))).map(q => parseBytes(q.toString)).getOrElse(0L)
+            val cpuRequestMillis =
+              requests.flatMap(m => Option(m.get("cpu"))).map(q => parseMillicores(q.toString)).getOrElse(0L)
+            val memRequestBytes =
+              requests.flatMap(m => Option(m.get("memory"))).map(q => parseBytes(q.toString)).getOrElse(0L)
 
             if cpuRequestMillis <= 0 && memRequestBytes <= 0 then
               log.debugf("No resource requests found for instance %s, skipping resource check", instanceId)