## What this PR does
This patch adds boilerplate code for a Velero strategy for the backups
API. Implementation can be added into the Reconcile function in a
subsequent PR.
###
```release-note
[backups] Add the boilerplate for a new Velero strategy for backups.
```
Signed-off-by: Timofei Larkin <lllamnyp@gmail.com>
## What this PR does
This PR introduces a bare-bones Job backup strategy API type and stubs
out all the boilerplate for a new controller that will handle this
strategy, as well as any others in the `strategy.backups.cozystack.io`
API group.
### Release note
```release-note
[backups] Create stubs and minimal implmentations for controllers for
the strategy.backups.cozystack.io API group.
```
Signed-off-by: Timofei Larkin <lllamnyp@gmail.com>
