DO k8s setup

[zenlex]

Weather Balloon / Smoke Test setup for k8s on Digital Ocean. Closes: #12

• Provision Cluster
• Setup ingress
• Deploy voting service container
• Setup GitOps flow for voting service

[zenlex]

Going to mark this as closed for now and move the notion of setting up a dedicated docs server to the backlog. I think we can wait until we develop the next service to deploy and then come up with a process/structure for what docs are hosted/shared where as far as api specs and similar info.