feat: add device group subscription #17

Job	Run time
docker-build / Build Docker image	1m 0s
warmup-cache / warmup-cache	27s
codeql / Analyze (javascript)	1m 20s
types / check-types	34s
translations / check-translations	26s
linting / check-linting	25s
build / build	42s
formatter / check-format	28s
coverage / coverage-test	53s
	6m 15s

Provide feedback