Add a kafka topic to policy. Spotless apply. Bug fixes on the monitoring component.

.../java/org/etsi/tfs/policy/service/ServiceServiceImpl.java

src/policy/src/main/resources/application.yml

...src/test/java/org/etsi/tfs/policy/ConfigRuleTypeTest.java

...src/test/java/org/etsi/tfs/policy/ConstraintTypeTest.java

...c/test/java/org/etsi/tfs/policy/EndPointCreationTest.java

...y/src/test/java/org/etsi/tfs/policy/LocationTypeTest.java

...rc/test/java/org/etsi/tfs/policy/PolicyAddDeviceTest.java

...c/test/java/org/etsi/tfs/policy/PolicyAddServiceTest.java

...est/java/org/etsi/tfs/policy/PolicyDeleteServiceTest.java

.../test/java/org/etsi/tfs/policy/PolicyGrpcServiceTest.java

...va/org/etsi/tfs/policy/PolicyRuleBasicValidationTest.java

...rg/etsi/tfs/policy/PolicyRuleConditionValidationTest.java

...a/org/etsi/tfs/policy/PolicyRuleDeviceValidationTest.java

.../org/etsi/tfs/policy/PolicyRuleServiceValidationTest.java

...test/java/org/etsi/tfs/policy/PolicyUpdateDeviceTest.java

...est/java/org/etsi/tfs/policy/PolicyUpdateServiceTest.java

...icy/src/test/java/org/etsi/tfs/policy/SerializerTest.java

src/policy/target/generated-sources/grpc/acl/Acl.java

...get/generated-sources/grpc/context/ContextOuterClass.java

...et/generated-sources/grpc/context/ContextServiceGrpc.java