refactor and add logging

.../java/org/opengroup/osdu/indexer/logging/AuditEvents.java

.../java/org/opengroup/osdu/indexer/logging/AuditLogger.java

...pengroup/osdu/indexer/service/IndexSchemaServiceImpl.java

...group/osdu/indexer/service/IndexerMappingServiceImpl.java

...rg/opengroup/osdu/indexer/service/IndexerServiceImpl.java

...rg/opengroup/osdu/indexer/service/SchemaProviderImpl.java

...ava/org/opengroup/osdu/indexer/service/SchemaService.java

...main/java/org/opengroup/osdu/indexer/util/TypeMapper.java

.../org/opengroup/osdu/indexer/api/RecordIndexerApiTest.java

...a/org/opengroup/osdu/indexer/logging/AuditEventsTest.java

...a/org/opengroup/osdu/indexer/logging/AuditLoggerTest.java