Isolate admin styles from the frontend #80

Job	Run time
bundle-audit / build	54s
brakeman / build	1m 56s
cucumber-admin / build	2m 23s
cucumber-public / build	2m 9s
javascript / build	1m 4s
lighthouse / build	1m 50s
spec-admin-controllers / build	2m 25s
spec-jobs / build	3m 14s
spec-mailers / build	1m 25s
spec-other / build	2m 59s
spec-models / build	4m 14s
spec-public-controllers / build	2m 34s
spec-requests / build	3m 50s
	30m 57s

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