Provide Swift endpoint configuration through CLI

[DImuthuUpe]

Currently Swift endpoint configuration is only available through gRPC APIs of resource and secret services. We need to provide this capability through the command line client

Target location of new cli feature implementation : https://github.com/apache/airavata-mft/tree/master/python-cli/mft_cli/airavata_mft_cli/storage
Swift storage protobuf definitions : https://github.com/apache/airavata-mft/tree/master/services/resource-service/stub/src/main/proto/swift , https://github.com/apache/airavata-mft/tree/master/services/secret-service/stub/src/main/proto/swift