Move network and ses docs to services repo

Update docs/cloud/services/network/.pages, docs/cloud/services/network/how_does_network_work.md, docs/cloud/services/network/add_vpc_endpoint.md, docs/cloud/services/network/expand_network.md, docs/cloud/services/network/security_groups.md, docs/cloud/services/network/assets/amazon-vpc.png, docs/cloud/services/network/assets/interface_endpoint.png, docs/cloud/services/network/assets/gateway_endpoint.png, docs/cloud/services/network/assets/ip_adress_nbr.png, docs/cloud/services/network/assets/s3_endpoint.png, docs/cloud/services/network/assets/ip_adresse.png, docs/cloud/services/network/assets/paloalto.png, docs/cloud/services/network/assets/subnets.png, docs/cloud/services/network/assets/transit_gateway.png, docs/cloud/services/network/assets/traffic.png, docs/cloud/services/network/assets/vpc_anatomy.png