## Description
**What(what issue does this code solve/what feature does it add):**
We are adding the `Dockerfile` to build a moq-relay
**How(how does it solve it):**
1. Added `relay.Dockerfile` with all the docker code to build
kixelated's moq-relay.
2. Added `relay.yml` in workflows for building and publishing the docker
image
## Required Checklist:
- [ ] I have added any necessary documentation and comments in my code
(where appropriate)
- [ ] I have added tests to make sure my code runs in all contexts
## Further comments
