Done ticket GEPAFINBE-8

src/main/java/net/gepafin/tendermanagement/service/CallService.java

@@ -0,0 +1,10 @@
+package net.gepafin.tendermanagement.service;
+
+import net.gepafin.tendermanagement.model.request.CreateCallRequest;
+import net.gepafin.tendermanagement.model.response.CreateCallResponseBean;
+
+public interface CallService {
+
+    CreateCallResponseBean createCall(CreateCallRequest createCallRequest);
+
+}