- In the BackendService.py:
     + Updated SparkStreamer call with new parameters.
- In SparkStreaming.py:
   + Added 'GetAggregerations' and 'ApplyThresholds' methods
   + Added 'window_size', 'win_slide_duration', 'time_stamp_col' and 'thresholds' parameters.
- Added new messages.
- Updated the 'RunSparkStreamer' call wth new parameters.

- Added Kafka Request Listener to listen for requests from the Analytics Frontend.
- Updated `SparkStreamer.py` to consume and process streams from VALUE topics, and further filter rows based on KPIs in the `input_kpis` list.
- Updated the frontend TOPIC from `VALUE` to `ANALYTICS_REQUEST`.
- Updated messages to keep the KPI UUID consistent with the one generated by the Telemetry Backend service.

- Added CRDB secret.
- Added test script.
- Added `main` and `__init__.py` files.
- Added Backend Service file.
- Added Spark Streamer file (successfully consuming streams from Kafka Topics).
- Added Tests folder and files.
- Added requirements file.
- Added ANALYTICS Kafka topics in `common.tools.kafka.variables` file.

- src folder refernce is removed from header

- tests file name is corrected.
- Telmetry frontend and backend requriements.in is updated

- TelemetryBackendService name and port is added in constants
- get_kafka_address() call added in TelemetryBackendService
- kafk topics test added in telemetrybackend test file
- get_kafka_address() call added in TelemetryBackendServiceImpl
- kafk topics test added in telemetryfrontend test file
- improvements in Telemetry gitlab-ci file
   + unit_test for telemetry backend and frontend added.
   + many other small changes

- BackendService is restructured according to the design in report.
- ResponseListener is added in Frontend
- Improvements in test and messages files

Modification made for tests (fetch_node_exporter_metrics and stream_node_export_metrics_to_raw_topic)

"KafkaProducerService" and "KafkaProducerServiceImpl" class name changed to "TelemetryBackendService" and "TelemetryBackendServiceImpl" respectivily

folder name changed from "telemetry_frontend" to "frontend",  and "client", "service" and "tests" move inside the "frontend"

"TelemetryBackend" tests "test_get_kafka_configs()", "test_get_kafka_configs_a()" and "test_export_collector_value()" are added.