[doc] Use yml example in base configuration as everywhere else
[doc] Use yml example in base configuration as everywhere else

KnpLabs/KnpMenuBundle,WouterJ/KnpMenuBundle,Nek-/KnpMenuBundle,javiereguiluz/KnpMenuBundle,benji07/KnpMenuBundle,piotrantosik/KnpMenuBundle,stof/KnpMenuBundle,bocharsky-bw/KnpMenuBundle,Soullivaneuh/KnpMenuBundle,craue/MenuBundle,Soullivaneuh/KnpMenuBundle