fix Trackerservice

Change-Id: Id041d972cab72183d2677f98f95d72d9d7d83793
diff --git a/src/main/java/com/example/g8backend/service/TrackerServiceImpl.java b/src/main/java/com/example/g8backend/service/TrackerServiceImpl.java
new file mode 100644
index 0000000..ae12f70
--- /dev/null
+++ b/src/main/java/com/example/g8backend/service/TrackerServiceImpl.java
@@ -0,0 +1,7 @@
+package com.example.g8backend.service;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class TrackerServiceImpl implements ITrackerService {
+}