caddy-frontend: Provide backend-haproxy statistic

Each node allows for global statistic access for full backend-haproxy, which
is exposed using special frontend, and then transferred back to the master
partition, so that the administrator can access it.
5 jobs for feature/caddy-frontend-haproxy-stats in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.SoftwareReleases.IntegrationTest-luke/feature/caddy-frontend-haproxy-stats

03:52:53

failed SlapOS.SoftwareReleases.IntegrationTest-luke/feature/caddy-frontend-haproxy-stats

04:00:16

passed SlapOS.SoftwareReleases.IntegrationTest-luke/feature/caddy-frontend-haproxy-stats

03:21:13

failed SlapOS.SoftwareReleases.IntegrationTest-luke/feature/caddy-frontend-haproxy-stats

04:20:38

failed SlapOS.SoftwareReleases.IntegrationTest-luke/feature/caddy-frontend-haproxy-stats

04:09:30