[lgtv] Update README.md (#5803)
[lgtv] Update README.md (#5803)

Please use the object method instead of the static method. :) see https://www.openhab.org/docs/configuration/rules-dsl.html#manipulating-item-states
watou/openhab,openhab/openhab,computergeek1507/openhab,ssalonen/openhab,ssalonen/openhab,openhab/openhab,computergeek1507/openhab,computergeek1507/openhab,watou/openhab,TheNetStriker/openhab,ssalonen/openhab,watou/openhab,juri8/openhab,juri8/openhab,juri8/openhab,juri8/openhab,TheNetStriker/openhab,watou/openhab,juri8/openhab,juri8/openhab,openhab/openhab,openhab/openhab,computergeek1507/openhab,openhab/openhab,watou/openhab,ssalonen/openhab,computergeek1507/openhab,watou/openhab,juri8/openhab,TheNetStriker/openhab,TheNetStriker/openhab,TheNetStriker/openhab,computergeek1507/openhab,ssalonen/openhab,TheNetStriker/openhab,openhab/openhab,TheNetStriker/openhab,watou/openhab,ssalonen/openhab