Resolve "(CTTC) Replace DLT Gateway functionality with an opensource and Hyper Ledger v2.4+ compliant version"

See merge request !259

Merge branch 'develop' of ssh://gifrerenom_labs.etsi.org/tfs/controller into feat/165-cttc-replace-dlt-gateway

Fixing containerlab hackfest example

See merge request !236

Merge branch 'develop' of ssh://gifrerenom_labs.etsi.org/tfs/controller into feat/158-fixing-containerlab-lab-example

(CTTC) New Analytics Component

See merge request !261

Merge branch 'develop' of ssh://gifrerenom_labs.etsi.org/tfs/controller into feat/188-cttc-new-analytics-component

- Corrected Liveness/Readiness probes

Deployment Script
- Analytics is added in new montioring component to be deployed with TFS.
- condition is added in analytics component TFS deployment script.
- Analytics show logs files are added.
Manifest
- modifed KAFKA_ADVERTISED_LISTENERS with internal kafka service address in kafka.yml
- analyticsservice.yml added.
Analytics
- grpc service is added in backend
- Docker file for backend and frontend is added.
- main file is updaed
- small changes in requirements.in files
Kafka Variables
- get_kafka_address method logic is updated.

Resolve "Re-designing of Telemetry"

See merge request !258

Merge branch 'develop' of ssh://gifrerenom_labs.etsi.org/tfs/controller into feat/179-re-designing-of-telemetry

Resolve "KPI Management Enhancements"

See merge request !255

Merge branch 'develop' of ssh://gifrerenom_labs.etsi.org/tfs/controller into feat/178-kpi-management-enhancements

Backend:
- Updated the `StartSparkStreamer` function call to send `Analyzer_uuid` as the key for messages produced on the Kafka topic.
- Updated the `SparkStream` definition to receive the key and added the key to the `streamwriter` object.

Frontend:
- Integrated APScheduler to manage `StreamListener`.
- Added `ResponseListener` to consume messages from the `analytics_response_topic` and process them.
- Added APScheduler to manage StreamListener.
- Added "ResponseListener" to consumer messages from analytics response_topic and process it.