Add attested Consul mesh admission example #2

Job	Run time
build (webdemo, consul-postgres-ha/webdemo)	35s
build (mesh-conn, consul-postgres-ha/mesh-conn)	52s
build (bootstrap-secrets, consul-postgres-ha/bootstrap-secrets)	1m 8s
build (sidecar, consul-postgres-ha/sidecar)	14s
build (signaling, consul-postgres-ha/signaling)	1m 4s
build (patroni, consul-postgres-ha/patroni)	25s
	4m 18s

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