Deploy correct number of load generator instances

Closes #210 (closed)

theodolite-quarkus/src/main/kotlin/theodolite/patcher/NumNestedGroupsLoadGeneratorReplicaPatcher.kt

+package theodolite.patcher
+
+import io.fabric8.kubernetes.api.model.KubernetesResource
+import io.fabric8.kubernetes.api.model.apps.Deployment
+import kotlin.math.pow
+
+private const val NUM_SENSORS = 4.0
+private const val LOAD_GEN_MAX_RECORDS = 150000
+
+class NumNestedGroupsLoadGeneratorReplicaPatcher(private val k8sResource: KubernetesResource) : AbstractPatcher(k8sResource) {
+    override fun <String> patch(value: String) {
+        if (k8sResource is Deployment) {
+            if (value is kotlin.String) {
+                val approxNumSensors = NUM_SENSORS.pow(Integer.parseInt(value).toDouble())
+                val loadGenInstances = (approxNumSensors + LOAD_GEN_MAX_RECORDS -1) / LOAD_GEN_MAX_RECORDS
+                this.k8sResource.spec.replicas = loadGenInstances.toInt()
+            }
+        }
+    }
+}