L2SS-287: Create entrypoint wrapper and remove duplicate code

tangostationcontrol/tangostationcontrol/common/entrypoint.py

tangostationcontrol/tangostationcontrol/devices/boot.py

...ationcontrol/tangostationcontrol/devices/docker_device.py

...stationcontrol/tangostationcontrol/devices/observation.py

...ontrol/tangostationcontrol/devices/observation_control.py

...tationcontrol/tangostationcontrol/devices/opcua_device.py

tangostationcontrol/tangostationcontrol/devices/recv.py

tangostationcontrol/tangostationcontrol/devices/sdp/sdp.py

tangostationcontrol/tangostationcontrol/devices/sdp/sst.py

tangostationcontrol/tangostationcontrol/devices/sdp/xst.py

tangostationcontrol/tangostationcontrol/devices/unb2.py