Update ui_extensions/aws_network_flow/README.md
Update ui_extensions/aws_network_flow/README.md

Co-Authored-By: Gabrielle Simard-Moore <b9511e01ba45a0c9ab53c4e2e5af1b1141367988@cloudbolt.io>
CloudBoltSoftware/cloudbolt-forge,CloudBoltSoftware/cloudbolt-forge,CloudBoltSoftware/cloudbolt-forge,CloudBoltSoftware/cloudbolt-forge