Added ETSI headers, update with develop and solving conflicts

.gitignore

.gitlab-ci.yml

deploy/all.sh

deploy/crdb.sh

deploy/kafka.sh

deploy/nats.sh

deploy/qdb.sh

deploy/tfs.sh

hackfest/containerlab/README.md

hackfest/containerlab/commands.txt

hackfest/containerlab/srl.cli

hackfest/containerlab/tfs-scenario.clab.yml

install_requirements.sh

manifests/analyticsservice.yaml

manifests/cockroachdb/cluster.yaml

manifests/cockroachdb/operator.yaml

manifests/dltservice.yaml

manifests/interdomainservice.yaml

manifests/kafka/01-zookeeper.yaml

manifests/kafka/02-kafka.yaml