Added comments

workflow-core/src/main/java/org/opengroup/osdu/workflow/service/WorkflowManagerServiceImpl.java

@@ -47,6 +47,8 @@ public class WorkflowManagerServiceImpl implements IWorkflowManagerService {
     return createWorkflowCommon(request, true);
   }
 
+  // The same logic is also used in WorkflowRunServiceImpl
+  // hence WorkflowRunServiceImpl needs to be changed as well in case the below logic changes
   @Override
   public WorkflowMetadata getWorkflowByName(final String workflowName) {
     try {

workflow-core/src/main/java/org/opengroup/osdu/workflow/service/WorkflowRunServiceImpl.java

@@ -193,6 +193,8 @@ public class WorkflowRunServiceImpl implements IWorkflowRunService {
     return false;
   }
 
+  // The below code is borrowed from WorkflowManagerServiceImpl
+  // Can't directly consume WorkflowManagerServiceImpl here as it will lead to cyclic dependency
   private WorkflowMetadata getWorkflowByName(String workflowName) {
     try {
       return workflowMetadataRepository.getWorkflow(workflowName);