Added event service

buisnesslogic/src/main/java/com/plannaplan/repositories/EventRepository.java

@@ -0,0 +1,11 @@
+package com.plannaplan.repositories;
+
+import com.plannaplan.entities.Event;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface EventRepository extends JpaRepository<Event, Long> {
+
+}