implement creating alfa notes

...main/java/de/ozgcloud/apilib/alfa/CommandAlfaService.java

.../java/de/ozgcloud/apilib/alfa/dummy/DummyAlfaService.java

...ozgcloud/apilib/common/command/OzgCloudCommandStatus.java

...de/ozgcloud/apilib/common/command/grpc/CommandMapper.java

...pilib/common/command/grpc/GrpcOzgCloudCommandService.java

...n/java/de/ozgcloud/apilib/common/datatypes/GenericId.java

...zgcloud/apilib/common/command/grpc/CommandMapperTest.java

...b/common/command/grpc/GrpcCommandResponseTestFactory.java

...ud/apilib/common/command/grpc/GrpcCommandTestFactory.java

...b/common/command/grpc/GrpcOzgCloudCommandServiceTest.java

...emo/src/main/java/de/ozgcloud/apilib/demo/DemoRunner.java

api-lib-demo/src/main/resources/application.yml

...client/autoconfigure/OzgCloudClientAutoConfiguration.java

...lient/autoconfigure/OzgCloudCommandManagerProperties.java