ERP5: Start timerserver from wsgi script

Depends on nexedi/erp5!1529 and nexedi/erp5!1534

See merge request nexedi/slapos!1114
1 job for fix/caddy-frontend-server-via-rfc (queued for 2 seconds)
Status Job ID Name Coverage
  External
running SlapOS.SoftwareReleases.IntegrationTest-luke/???

24820:37:53