Changed the directory tree in pm628

...nerator/TMF628_Performance_Management_API_v5.0.0.oas.yaml

...va/org/etsi/osl/tmf/pm628/.openapi-generator/openapi.yaml

src/main/java/org/etsi/osl/tmf/pm628/api/ApiUtil.java

...ava/org/etsi/osl/tmf/pm628/api/DataAccessEndpointApi.java

...si/osl/tmf/pm628/api/DataAccessEndpointApiController.java

src/main/java/org/etsi/osl/tmf/pm628/api/HubApi.java

...ain/java/org/etsi/osl/tmf/pm628/api/HubApiController.java

src/main/java/org/etsi/osl/tmf/pm628/api/ListenerApi.java

...ava/org/etsi/osl/tmf/pm628/api/ListenerApiController.java

...g/etsi/osl/tmf/pm628/api/MeasurementCollectionJobApi.java

.../tmf/pm628/api/MeasurementCollectionJobApiController.java

.../pm628/api/PerformanceIndicatorGroupSpecificationApi.java

.../PerformanceIndicatorGroupSpecificationApiController.java

...l/tmf/pm628/api/PerformanceIndicatorSpecificationApi.java

...8/api/PerformanceIndicatorSpecificationApiController.java

...org/etsi/osl/tmf/pm628/api/PerformanceMeasurementApi.java

...sl/tmf/pm628/api/PerformanceMeasurementApiController.java

...in/java/org/etsi/osl/tmf/pm628/api/TrackingRecordApi.java

...g/etsi/osl/tmf/pm628/api/TrackingRecordApiController.java

...l/tmf/pm628/configuration/EnumConverterConfiguration.java