Changes in Telemetry backend service.

.gitlab-ci.yml

src/telemetry/.gitlab-ci.yml

src/telemetry/backend/Dockerfile

src/telemetry/backend/requirements.in

src/telemetry/backend/service/__main__.py

src/telemetry/frontend/Dockerfile

src/telemetry/frontend/requirements.in

src/telemetry/frontend/service/__main__.py

src/telemetry/telemetry_virenv.txt