Update README.md

add Showcase 1: Demonstrate block volume backup copy to a different region in a customer managed key environment

Author: HeinzOracle

cloud-infrastructure/storage/block-storage/README.md

@@ -50,9 +50,17 @@ We've designed our storage platform as an ideal complement to Oracle compute and
   - Storage Health-Check example scripts
     - validate all boot and block volumes regarding backup policies
     - showcase boot and block volume security e.g. using Customer managed key, Key-Rotation, Backup
-- [TRIM showcase - example script](asset/trim-showcase.md)
-- [boot/block volume security best practice - example script](asset/secure.storage.sh)
-- [boot/block volume individual (to a customer-managed bucket) backup and restore  - example script](asset/block-volume-backup-and-restore.md)
+- Showcase section
+  - [Showcase 1: Demonstrate block volume backup copy to a different region in a customer managed key environment.](https://gitlab.com/hmielimo/cloud-resilience-by-default/-/tree/main/copy.customer.managed.key.backup)
+    - we showcase a: cli management of several customer managed key protected OCI resources (e.g. instance, block volume, block volume backup)
+    - we showcase b: cli based customer managed key protected block volume creation, attachment to instance, create filesystem
+    - we showcase c: cli based customer managed key protected block volume backup
+    - we showcase d: cli based customer managed key protected block volume backup copy to a different region
+    - we showcase e: cli based customer managed key protected instance using Cloud-Init to run custom scripts or provide custom Cloud-Init configuration
+    - we showcase f: cli based customer managed key protected instance using Consistent device paths fot attached block volumes
+  - [TRIM showcase - example script](asset/trim-showcase.md)
+  - [boot/block volume security best practice - example script](asset/secure.storage.sh)
+  - [boot/block volume individual (to a customer-managed bucket) backup and restore  - example script](asset/block-volume-backup-and-restore.md)