Proposal: long-term conformation to other service building tool

Currently, if we configure other services to be used by openwhisk actions, we have to manually configure the credentials in openwhisk, which leads to some degree of inconvenience and security concerns.

To plan for the long term, openwhisk deploy can be integrated to other service building tool, for example, terraform, to resolve the above use case. When the user asks for a service to be used by openwhisk, service building tool can deploy the service, and openwhisk deploy tool can directly use the service during the deployment without passing sensitive data like credentials.