Merge branch 'L2SS-433-create-beamlet-device' into 'master'

.gitlab-ci.yml

CDB/LOFAR_ConfigDb.json

CDB/stations/DTS_ConfigDb.json

CDB/stations/LTS_ConfigDb.json

CDB/stations/simulators_ConfigDb.json

docker-compose/device-beamlet.yml

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

sbin/run_integration_test.sh

tangostationcontrol/docs/source/devices/beamlet.rst

tangostationcontrol/docs/source/index.rst

tangostationcontrol/setup.cfg

tangostationcontrol/tangostationcontrol/devices/README.md

tangostationcontrol/tangostationcontrol/devices/boot.py

...stationcontrol/tangostationcontrol/devices/sdp/beamlet.py

tangostationcontrol/tangostationcontrol/devices/sdp/sdp.py

...l/integration_test/default/devices/test_device_beamlet.py