OZG-6811 rename subdirectories

...-manager-interface/src/main/protobuf/bescheid.model.proto

document-manager-interface/src/main/protobuf/bescheid.proto

...-manager-interface/src/main/protobuf/document.model.proto

document-manager-interface/src/main/protobuf/document.proto

document-manager-server/pom.xml

...r-server/src/main/java/de/ozgcloud/bescheid/Bescheid.java

...oud/bescheid/BescheidCallContextAttachingInterceptor.java

.../main/java/de/ozgcloud/bescheid/BescheidCreatedEvent.java

.../main/java/de/ozgcloud/bescheid/BescheidDeletedEvent.java

...main/java/de/ozgcloud/bescheid/BescheidEventListener.java

...c/main/java/de/ozgcloud/bescheid/BescheidGrpcService.java

...server/src/main/java/de/ozgcloud/bescheid/BescheidId.java

...main/java/de/ozgcloud/bescheid/BescheidManagerConfig.java

...va/de/ozgcloud/bescheid/BescheidManagerConfiguration.java

...er/src/main/java/de/ozgcloud/bescheid/BescheidMapper.java

...main/java/de/ozgcloud/bescheid/BescheidRemoteService.java

...r/src/main/java/de/ozgcloud/bescheid/BescheidRequest.java

.../src/main/java/de/ozgcloud/bescheid/BescheidResponse.java

...src/main/java/de/ozgcloud/bescheid/BescheidSentEvent.java

...r/src/main/java/de/ozgcloud/bescheid/BescheidService.java