frontend: Add new settings page #7530

Job	Run time
python-tests	3m 43s
frontend-tests	2m 20s
deploy-docker-images (core, blueos, linux/arm/v7,linux/arm64/v8,linux/amd64)	11m 46s
deploy-docker-images (bootstrap, blueos, linux/arm/v7,linux/arm64/v8,linux/amd64)	2m 59s
deploy-raspberry-image	0s
	20m 48s

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