feat: build css from less files locally #471

Job	Run time
call-lint / golangci	17s
call-styles-check / styles-check	6s
call-swagger-check / swagger-check	43s
call-test / Go unit tests	4m 1s
call-gorelease / goreleaser	7m 28s
call-buildx / Build Docker	28s
	13m 3s

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