Add prefix to output files to link results and experiment

Closes #186 (closed)

Additionally saves the benchmark and the execution. Additionally stores the results

TODO

• Add saving to Operator (by changing prefix)

theodolite-quarkus/src/main/kotlin/theodolite/benchmark/BenchmarkExecution.kt

@@ -11,6 +11,7 @@ import kotlin.properties.Delegates
 @JsonDeserialize
 @RegisterForReflection
 class BenchmarkExecution : CustomResource(), Namespaced {
+    var executionId: Int = 0
     lateinit var name: String
     lateinit var benchmark: String
     lateinit var load: LoadDefinition