feat: add access to actual measures on Recorder

Author: metacosm

measure/src/main/java/net/laprun/sustainability/power/analysis/Recorder.java

@@ -3,5 +3,9 @@
 import java.util.stream.DoubleStream;
 
 public interface Recorder {
-    DoubleStream measures();
+    default DoubleStream measures() {
+        return DoubleStream.of(liveMeasures());
+    }
+
+    double[] liveMeasures();
 }