docs: 1.1 upgrade doc update
docs: 1.1 upgrade doc update

KaGeN101/mantl,sehqlr/mantl,KaGeN101/mantl,sehqlr/mantl,CiscoCloud/mantl,datascienceinc/mantl,CiscoCloud/mantl,bitium/mantl,bitium/mantl,mantl/mantl,phnmnl/mantl,mantl/mantl,phnmnl/mantl,CiscoCloud/microservices-infrastructure,datascienceinc/mantl,CiscoCloud/microservices-infrastructure