update to current version

all initial features implemented
tbd:
   etrack
   front

src/main/java/com/release11/klaus/utilis/TrackingClient.java

@@ -0,0 +1,18 @@
+package com.release11.klaus.utilis;
+
+import org.slf4j.MDC;
+
+import java.util.Map;
+
+public final class TrackingClient {
+
+    private TrackingClient(){};
+
+    public static void setBusinessKeys(Map<BusinessKey, String> businessKeysMap){
+        for (Map.Entry<BusinessKey, String> entry : businessKeysMap.entrySet()) {
+            MDC.put(entry.getKey().getReasonPhrase(), entry.getValue());
+        }
+    }
+
+
+}