chore: add velero csi plugin (#424)

## Description
Adding the CSI plugin to Velero
...

## Related Issue

Fixes #
<!-- or -->
Relates to #

## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Other (security config, docs update, etc)

## Checklist before merging

- [x] Test, docs, adr added or updated as needed
- [x] [Contributor Guide
Steps](https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md)(https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md#submitting-a-pull-request)
followed

---------

Co-authored-by: Micah Nagel <[email protected]>

Author: justicorn

src/velero/README.md

@@ -97,3 +97,20 @@ uds zarf tools kubectl apply -f - <<-EOF
     ttl: 240h0m0s
 EOF
 ```
+
+## Manually restore backup
+```bash
+velero restore create uds-restore-$(date +%s) \
+  --from-backup <backup-name> \
+  --include-namespaces <namespaces-to-restore> --wait
+```
+
+> [!NOTE]
+> The default behavior of Velero will not recreate resources that already exist.
+> If the intention is to restore data on a PV, the PV/PVC will have to be deleted
+> before running the restore.
+
+> [!NOTE]
+> Additional configuration will be required to get CSI backed PVCs to be snapshotted
+> as noted in the [Velero documentation](https://velero.io/docs/main/csi/#prerequisites) - VolumeSnapshotLocation, VolumeSnapshotClass, etc.
+> as well as switching `snapshotVolume` to `true` in the backup config.

src/velero/values/registry1-values.yaml

@@ -14,3 +14,9 @@ initContainers:
     volumeMounts:
       - mountPath: /target
         name: plugins
+  - name: velero-plugin-for-csi
+    image: registry1.dso.mil/ironbank/opensource/velero/velero-plugin-for-csi:v0.7.0
+    imagePullPolicy: IfNotPresent
+    volumeMounts:
+      - mountPath: /target
+        name: plugins

src/velero/values/upstream-values.yaml

@@ -14,3 +14,9 @@ initContainers:
     volumeMounts:
       - mountPath: /target
         name: plugins
+  - name: velero-plugin-for-csi
+    image: velero/velero-plugin-for-csi:v0.7.0
+    imagePullPolicy: IfNotPresent
+    volumeMounts:
+      - mountPath: /target
+        name: plugins

src/velero/zarf.yaml

@@ -19,6 +19,7 @@ components:
       - velero/velero:v1.13.2
       - velero/velero-plugin-for-aws:v1.9.2
       - docker.io/bitnami/kubectl:1.30.1
+      - velero/velero-plugin-for-csi:v0.7.0
 
   - name: velero
     required: true
@@ -33,4 +34,5 @@ components:
     images:
       - registry1.dso.mil/ironbank/opensource/velero/velero:v1.13.2
       - registry1.dso.mil/ironbank/opensource/velero/velero-plugin-for-aws:v1.9.2
+      - registry1.dso.mil/ironbank/opensource/velero/velero-plugin-for-csi:v0.7.0
       - registry1.dso.mil/ironbank/big-bang/base:2.1.0