Return whether core is connected (#163) #56

Job	Run time
create-release	7s
Build Pre-release Docker image / build-docker (amd64)	11m 52s
Build Release Docker image	0s
Build Pre-release Docker image / build-docker (arm64)	9m 44s
build-binaries (linux-arm64)	2m 9s
build-binaries (freebsd)	2m 13s
build-binaries (linux)	16m 5s
Build Pre-release Docker image / docker-manifest	58s
	43m 8s

Provide feedback