testing inter service communication

Signed-off-by: Peter Siegmund <developer@mars3142.org>

src/main/java/dev/mars3142/fhq/client/TimeZoneClient.java

@@ -0,0 +1,9 @@
+package dev.mars3142.fhq.client;
+
+import org.springframework.web.service.annotation.GetExchange;
+
+public interface TimeZoneClient {
+
+  @GetExchange("/v1/timezone")
+  String getTimeZone();
+}