L2SS-631: Add skeleton BST device based on lofar_device

.gitlab-ci.yml

CDB/LOFAR_ConfigDb.json

docker-compose/device-bst.yml

...hon-profiles/stationcontrol-jupyter/startup/01-devices.py

sbin/run_integration_test.sh

sbin/tag_and_push_docker_image.sh

tangostationcontrol/docs/source/devices/bst-sst-xst.rst

tangostationcontrol/docs/source/index.rst

tangostationcontrol/setup.cfg

tangostationcontrol/tangostationcontrol/devices/README.md

tangostationcontrol/tangostationcontrol/devices/boot.py

tangostationcontrol/tangostationcontrol/devices/sdp/bst.py

...l/tangostationcontrol/devices/sdp/statistics_collector.py

...ntrol/integration_test/default/devices/test_device_bst.py