Add index of the message to the monitoring data of the broker requests.

broker/src/asapo_broker/database/database.go

broker/src/asapo_broker/database/mock_database.go

broker/src/asapo_broker/database/mongodb.go

broker/src/asapo_broker/database/mongodb_test.go

broker/src/asapo_broker/server/monitoring.go

broker/src/asapo_broker/server/monitoring_test.go

broker/src/asapo_broker/server/process_request.go

...common/generated_proto/AsapoMonitoringCommonService.pb.go

...common/generated_proto/AsapoMonitoringIngestService.pb.go

...n/generated_proto/AsapoMonitoringIngestService_grpc.pb.go

..._common/generated_proto/AsapoMonitoringQueryService.pb.go

...on/generated_proto/AsapoMonitoringQueryService_grpc.pb.go

.../networking/monitoring/AsapoMonitoringIngestService.proto

...n/networking/monitoring/AsapoMonitoringQueryService.proto

...server/src/asapo_monitoring_server/server/IngestServer.go

..._server/src/asapo_monitoring_server/server/QueryServer.go

.../src/generated_proto/AsapoMonitoringCommonService_pb.d.ts

...ui/src/generated_proto/AsapoMonitoringCommonService_pb.js

...rated_proto/AsapoMonitoringIngestService_grpc_web_pb.d.ts

...nerated_proto/AsapoMonitoringIngestService_grpc_web_pb.js