cta-dcache: add simple man page

5 jobs for cta-dcache-forntend in 25 minutes and 54 seconds (queued for 36 minutes and 41 seconds)
latest
Name Stage Failure
failed
cppcheck Analysis:Check There has been a runner system failure, please try again
	Unschedulable: "0/7 nodes are available: 3 Insufficient memory, 3 node(s) had taint {node-role.kubernetes.io/controlplane: true}, that the pod didn't tolerate, 4 Insufficient cpu."
Waiting for pod default/runner-gnv6sz2w-project-11-concurrent-2g524w to be running, status is Pending
Unschedulable: "0/7 nodes are available: 3 Insufficient memory, 3 node(s) had taint {node-role.kubernetes.io/controlplane: true}, that the pod didn't tolerate, 4 Insufficient cpu."
Waiting for pod default/runner-gnv6sz2w-project-11-concurrent-2g524w to be running, status is Pending
Unschedulable: "0/7 nodes are available: 3 Insufficient memory, 3 node(s) had taint {node-role.kubernetes.io/controlplane: true}, that the pod didn't tolerate, 4 Insufficient cpu."
Waiting for pod default/runner-gnv6sz2w-project-11-concurrent-2g524w to be running, status is Pending
Unschedulable: "0/7 nodes are available: 3 Insufficient memory, 3 node(s) had taint {node-role.kubernetes.io/controlplane: true}, that the pod didn't tolerate, 4 Insufficient cpu."
Waiting for pod default/runner-gnv6sz2w-project-11-concurrent-2g524w to be running, status is Pending
Unschedulable: "0/7 nodes are available: 3 Insufficient memory, 3 node(s) had taint {node-role.kubernetes.io/controlplane: true}, that the pod didn't tolerate, 4 Insufficient cpu."
ERROR: Job failed (system failure): prepare environment: waiting for pod running: timed out waiting for pod to start. Check https://docs.gitlab.com/runner/shells/index.html#shell-profile-loading for more information