[Procedures] Add github PR template

[sevenbitbyte]

Add template

# Issues

`In one/two sentence(s) what is the addressed problem/improvement?`

 * #ISSUE_NUMBER

### Goals

 `What does this do?`

### Non-goals

 `What is not addressed but still an issue? Any future work that you or others should think about?`

## Design

 `Tell us how you solved the problem / feature-request from a architectural level`

## Testing

 `How is it manually/automated tested?`

## Reviewers

  `Who needs to know?`

@roshub/cloud-developers